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IEEE Catalog Number: ISBN: CFP15APE-POD 978-1-4799-6736-0 2015 IEEE Applied Power Electronics Conference and Exposition (APEC 2015) Charlotte, North Carolina, USA 15-19 March 2015 Pages 1-818 1/4

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IEEE Catalog Number: ISBN:

CFP15APE-POD 978-1-4799-6736-0

2015 IEEE Applied Power Electronics Conference and Exposition (APEC 2015)

Charlotte, North Carolina, USA 15-19 March 2015

Pages 1-818

1/4

TECHNICAL PAPERS

Session T1: Isolated DC-DC Converters Location: Room 217A March 17, 2015 8:30 - 12:00 Session Chairs: Wenduo Liu, International Rectifier

Wisam Moussa, International Rectifier

An Improved Asymmetric Half-Bridge Converter with Zero DC Offset of Magnetizing Current ......................................................................................................................... 1 Shiladri Chakraborty, Indian Institute of Technology Kharagpur, India Souvik Chattopadhyay, Indian Institute of Technology Kharagpur, India

PLL based Bridge Synchronization as an Alternative to Digital Isolators for Dual Active Bridge DC-DC Converters ................................................................................................................ 9 Shahab Poshtkouhi, University of Toronto, Canada Aliakbar Eski, University of Toronto, Canada Olivier Trescases, University of Toronto, Canada

Dual Edge Tracking Control for Synchronous Rectification (SR) of LLC Resonant Converter ........................................................................................................................ 15 Hangseok Choi, Fairchild Semiconductor, United States

A Robust Low-RMS-Current Passive Auxiliary Circuit for ZVS Operation of Both Legs in Full Bridge Converters ............................................................................................................... 21 Alireza Safaee, Queen's University, Canada Praveen Jain, Queen's University, Canada Alireza Bakhshai, Queen's University, Canada

A New Isolated Hybrid Boosting Converter .................................................................................. 28 Bin Wu, University of California, Irvine, United States Keyue Smedley, University of California, Irvine, United States

A Secondary-Side Phase-Shift-Controlled Soft-Switching DC/DC Converter Utilizing Two Transformers with Wide Voltage Gain for High Step-Down Applications ......................... 35 Hongfei Wu, Nanjing University of Aeronautics and Astronautics, China Liqun Chen, Nanjing University of Aeronautics and Astronautics, China Yan Xing, Nanjing University of Aeronautics and Astronautics, China Peng Xu, Nanjing University of Aeronautics and Astronautics, China Haibing Hu, Nanjing University of Aeronautics and Astronautics, China

Novel Transformer-Flux-Balancing Control of Dual-Active-Bridge Bidirectional Converters ................................................................................................................ 42 Yuri Panov, Delta Products Corporation, United States Milan M. Jovanović, Delta Products Corporation, United States Brian T. Irving, Delta Products Corporation, United States

Bidirectional Flyback Converter with Multiple Series Connected Outputs for High Voltage Capacitive Charge and Discharge Applications ............................................................. 50 Prasanth Thummala, Danmarks Tekniske Universitet, Denmark Henrik Schneider, Danmarks Tekniske Universitet, Denmark Zhe Zhang, Danmarks Tekniske Universitet, Denmark Michael A.E. Andersen, Danmarks Tekniske Universitet, Denmark

Soft Switching High Frequency AC-Link DC-DC Buck-Boost Converters ................................. 57 Tao Wang, University of Illinois, Chicago, United States Soumik Sen, University of Illinois, Chicago, United States Mahshid Amirabadi, University of Illinois, Chicago, United States

Session T2: Three-Phase & Higher Power AC-DC Converters Location: Room 217BC March 17, 2015 8:30 - 12:00 Session Chairs: Gerry Moschopoulos, Western University, Canada

Laszlo Balogh, Fairchild Semiconductor

Hardware Verification of a Hyper-Efficient (98%) and Super-Compact (2.2kW/dm3) Isolated AC/DC Telecom Power Supply Module based on Multi-Cell Converter Approach ..... 65 Matthias Kasper, ETH Zürich, Switzerland Cheng-Wei Chen, National Taiwan University, Taiwan Dominik Bortis, ETH Zürich, Switzerland Johann W. Kolar, ETH Zürich, Switzerland Gerald Deboy, Infineon Technologies Austria AG, Austria

Design and Implementation of Interleaved Vienna Rectifier with Greater Than 99% Efficiency ................................................................................................................................. 72 Qiong Wang, Virginia Polytechnic Institute and State University, United States Xuning Zhang, Virginia Polytechnic Institute and State University, United States Rolando Burgos, Virginia Polytechnic Institute and State University, United States Dushan Boroyevich, Virginia Polytechnic Institute and State University, United States Adam White, United Technology Aerospace Systems, United States Mustansir Kheraluwala, United Technology Aerospace Systems, United States

A Modular Three Phase Power Factor Correction (PFC) Approach with Two Single Phase PFC Stages and an Electronic Phase Shifter .................................................................... 79 Mesaad Waleed Albader, Texas A&M University, United States Prasad Enjeti, Texas A&M University, United States

Three-Phase Buck Type Rectifier Topology Integrated with Current Fed Full-Bridge .............. 84 J.M. Molina, Universidad Politécnica de Madrid, Spain P. Alou, Universidad Politécnica de Madrid, Spain J.A. Oliver, Universidad Politécnica de Madrid, Spain M. Silva, Universidad Politécnica de Madrid, Spain J.A. Cobos, Universidad Politécnica de Madrid, Spain

Analysis of a Three-Phase Flying Converter Cell Rectifier Operating in Light/ No-Load Condition .......................................................................................................................... 92 M. Makoschitz, Technische Universität Wien, Austria M. Hartmann, Schneider Electric Power Drives, Austria H. Ertl, Technische Universität Wien, Austria

Implementation and Performance Comparison of Five DSP-based Control Methods for Three-Phase Six-Switch Boost PFC Rectifier ....................................................................... 101 Laszlo Huber, Delta Products Corporation, United States Misha Kumar, Delta Products Corporation, United States Milan M. Jovanović, Delta Products Corporation, United States

Design of Control System for Solid State Variable Capacitor with Minimum DC Capacitor ................................................................................................................................. 109 Runruo Chen, Michigan State University, United States Yunting Liu, Michigan State University, United States Petros Taskas, Michigan State University, United States Fang Z. Peng, Michigan State University, United States

Surge Voltage Suppression Methods for Three-Phase to Single-Phase Matrix Converter .... 115 Yoshiyuki Kadoshima, Nagaoka University of Technology, Japan Kazuhiro Koiwa, Nagaoka University of Technology, Japan Jun-Ichi Itoh, Nagaoka University of Technology, Japan Francois Anne, Mersen St Sylvain d’Anjou France, France Antoine Gerlaud, Mersen St Sylvain d’Anjou France, France Junya Sasaki, Mersen Japan K.K., Japan

An Improved Active-Front-End Rectifier using Model Predictive Control ............................... 122 M. Parvez, University of Malaya, Malaysia S. Mekhilef, University of Malaya, Malaysia Nadia M.L. Tan, Universiti Tenaga Nasional, Malaysia Hirofumi Akagi, Tokyo Institute of Technology, Japan

Session T3: Magnetic Devices and Components I Location: Room 217D March 17, 2015 8:30 - 12:00 Session Chairs: Stephen M. Carlsen, Raytheon

Matt Wilkowski, Altera

Power Losses Calculations in Windings of Gapped Magnetic Components: The Extended 2-D Method ................................................................................................................... 128 Fermín A. Holguin, Universidad Politécnica de Madrid, Spain Roberto Prieto, Universidad Politécnica de Madrid, Spain Rafael Asensi, Universidad Politécnica de Madrid, Spain José A. Cobos, Universidad Politécnica de Madrid, Spain

Investigation, Development and Verification of Printed Circuit Board Embedded Air-Core Solenoid Transformers ........................................................................................................ 133 Jakob D. Mønster, Danmarks Tekniske Universitet, Denmark Mickey P. Madsen, Danmarks Tekniske Universitet, Denmark Jeppe A. Pedersen, Danmarks Tekniske Universitet, Denmark Arnold Knott, Danmarks Tekniske Universitet, Denmark

Improving the Efficiency and Dynamics of 3D Integrated POL ................................................. 140 Dongbin Hou, Virginia Polytechnic Institute and State University, United States Yipeng Su, Virginia Polytechnic Institute and State University, United States Qiang Li, Virginia Polytechnic Institute and State University, United States Fred C. Lee, Virginia Polytechnic Institute and State University, United States

Investigation of Gallium Nitride Devices Benefits on LLC Resonant DC-DC Converter ......... 146 Weimin Zhang, University of Tennessee, United States Yutian Cui, University of Tennessee, United States Fred Wang, University of Tennessee, United States Leon M. Tolbert, University of Tennessee, United States Benjamin J. Blalock, University of Tennessee, United States Daniel J. Costinett, University of Tennessee, United States

A Stacked Common Mode Inductor with Small External Magnetic Field Susceptibility, Low Magnetic Field Emission and High Differential Mode Inductance .................................... 154 Yongbin Chu, University of Texas, San Antonio, United States Shuo Wang, University of Florida, United States Ning Zhang, University of Texas, San Antonio, United States Dianbo Fu, Huawei Technologies Co., Ltd, United States

Design Considerations for High-Efficiency Leakage Transformers ......................................... 162 Jennifer D. Pollock, Dartmouth College, United States Charles R. Sullivan, Dartmouth College, United States

A Tunable Common Mode Inductor with an Auxiliary Winding Network ................................. 170 Danting Xu, University of Hong Kong, Hong Kong Wai Man Ng, University of Hong Kong, Hong Kong Sitthisak Kiratipongvoot, University of Hong Kong, Hong Kong Chi Kwan Lee, University of Hong Kong, Hong Kong Bryan M.H. Pong, University of Hong Kong, Hong Kong

Design and Optimization of Small Inductors on Extra-Thin PCB for Flexible Cooking Surfaces ......................................................................................................................... 177 J. Serrano, Universidad de Zaragoza, Spain I. Lope, Universidad de Zaragoza, Spain J. Acero, Universidad de Zaragoza, Spain J.M. Burdío, Universidad de Zaragoza, Spain C. Carretero, Universidad de Zaragoza, Spain R. Alonso, Universidad de Zaragoza, Spain

Design Methodology of Series DC Coupling Transformer in a Medium-Voltage DC Amplifier System ........................................................................................................................... 183 Richard Beddingfield, North Carolina State University, United States Ankan De, North Carolina State University, United States Hesam Mirzae, North Carolina State University, United States Subhashish Bhattacharya, North Carolina State University, United States

Session T4: Photovoltaic Applications Location: Room 213A March 17, 2015 8:30 - 12:00 Session Chairs: Robert Pilawa-Podgurski, University of Illinois

Tiefu Zhao, Eaton

A Phase Shift Controlled Current-Fed Quasi-Switched-Capacitor Isolated DC/DC Converter with GaN HEMTs for Photovoltaic Applications ....................................................... 191 Lixing Fu, Ohio State University, United States Xuan Zhang, Ohio State University, United States Feng Guo, Ohio State University, United States Jin Wang, Ohio State University, United States

Simple Instantaneous Power Modulation Scheme for Single-Phase High-Frequency Link Microinverter for Low-Power PV Applications ................................................................... 199 Alejandro Aganza-Torres, Universidad Autónoma de San Luis Potosí, Mexico Víctor Cardenas, Universidad Autónoma de San Luis Potosí, Mexico Mario Pacas, Universität Siegen, Germany

A Novel Platform for an Accurate Modeling and Precise Control of Photovoltaic Modules with Maximum Operating Efficiency ............................................................................ 205 Ahmed Shawky, Aswan University, Egypt Hamdy Radwan, Aswan University, Egypt Mohamed Orabi, Aswan University, Egypt Mohamed Z. Youssef, University of Ontario Institute of Technology, Canada

Open-Circuit Fault Diagnosis for a Grid-Connected NPC Inverter with Unity Power Factor ................................................................................................................................. 213 Ui-Min Choi, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark June-Seok Lee, Ajou University, Korea, South Kyo-Beum Lee, Ajou University, Korea, South

A Novel Low Cost PV Micro-Inverters based on Analog Control and Interleaving Method ...................................................................................................................... 221 Elie M. Najm, North Carolina State University, United States Alex Q. Huang, North Carolina State University, United States Wensong Yu, North Carolina State University, United States

An Optimized Efficiency-based Control Strategy for Islanded Paralleled PV Micro-Converters .......................................................................................................................... 229 Han-Dong Gui, Nanjing University of Aeronautics and Astronautics, China Yue Zhang, Nanjing University of Aeronautics and Astronautics, China Zhiliang Zhang, Nanjing University of Aeronautics and Astronautics, China Yan-Fei Liu, Queen's University, Canada

PV Panel Power Optimization using Sub-Panel MPPT .............................................................. 235 Edgar Marti-Arbona, Arizona State University, United States Debashis Mandal, Arizona State University, United States Bertan Bakkaloglu, Arizona State University, United States Sayfe Kiaei, Arizona State University, United States

Design of a LCL Filter for Leakage Current Reduction in Transformerless PV Grid-Connected Three-Level Inverter .................................................................................................. 239 Julian C. Giacomini, Universidade Federal de Santa Maria, Brazil Leandro Michels, Universidade Federal de Santa Maria, Brazil Luciano Schuch, Universidade Federal de Santa Maria, Brazil Humberto Pinheiro, Universidade Federal de Santa Maria, Brazil Cassiano Rech, Universidade Federal de Santa Maria, Brazil

GaN HEMT based 250W CCM Photovoltaic Micro-Inverter ....................................................... 246 James W. McLamara, North Carolina State University, United States Alex Q. Huang, North Carolina State University, United States

Session T5: Machines and Inverters Location: Room 213BC March 17, 2015 8:30 - 12:00 Session Chairs: Alexis Kwasinski, University of Texas, Austin

DC Assisted Bipolar Switched Reluctance Machine ................................................................. 254 Tausif Husain, University of Akron, United States Yilmaz Sozer, University of Akron, United States Iqbal Husain, North Carolina State University, United States

Experimental Studies on Drive Performances of Wound Field Synchronous Motor Drive Integrated with ZSI .............................................................................................................. 262 Genki Tajima, Nagoya Institute of Technology, Japan Takashi Kosaka, Nagoya Institute of Technology, Japan Nobuyuki Matsui, Nagoya Institute of Technology, Japan

An Innovative Multiphase PWM Control Strategy for a PMSM with Segmented Stator Windings ............................................................................................................................ 270 Chiao-Chien Lin, National Chiao Tung University, Taiwan Ying-Yu Tzou, National Chiao Tung University, Taiwan

Measurement of Core Losses in Electrical Steel in the Saturation Region under DC Bias Conditions ............................................................................................................................. 276 Burak Tekgun, University of Akron, United States Yilmaz Sozer, University of Akron, United States Igor Tsukerman, University of Akron, United States

A Dual Inverter for an Open End Winding Induction Motor Drive without an Isolation Transformer ................................................................................................................... 283 Shajjad Chowdhury, University of Nottingham, United Kingdom Patrick Wheeler, University of Nottingham, United Kingdom Chris Gerada, University of Nottingham, United Kingdom Saul Lopez Arevalo, University of Nottingham, United Kingdom

A Highly Integrated Drive Inverter using DirectFETs and Ceramic DC-Link Capacitors for Open-End Winding Machines in Electric Vehicles ............................................................... 290 Georges Engelmann, Rheinisch-Westfälische Technische Hochschule Aachen, Germany Maurice Kowal, Rheinisch-Westfälische Technische Hochschule Aachen, Germany Rik W. De Doncker, Rheinisch-Westfälische Technische Hochschule Aachen, Germany

Investigation and Loss Comparison of 6.6kV 5-Level Converters ........................................... 297 Zhang Hui, Meiden Asia Pte. Ltd., Singapore Ashwin M. Khambadkone, Institute of Chemical and Engineering Sciences, Singapore Ogura Kazuya, Meidensha Corporation, Japan

Analysis of SiC based Power Electronic Inverters for High Speed Machines ......................... 304 Di Han, University of Wisconsin, Madison, United States Yingjie Li, University of Wisconsin, Madison, United States Bulent Sarlioglu, University of Wisconsin, Madison, United States

Loss Comparison of Si- and SiC-based Modular Multilevel Converter for Medium/ High-Voltage Applications ........................................................................................................... 311 Liyao Wu, Georgia Institute of Technology, United States Jiangchao Qin, Georgia Institute of Technology, United States Maryam Saeedifard, Georgia Institute of Technology, United States Oleg Wasynczuk, Purdue University, United States Krishna Shenai, Northwestern University, United States

Session T6: Modeling of DC Energy Converters and Systems Location: Room 213D March 17, 2015 8:30 - 12:00 Session Chairs: Jaber Abu Qahouq, University of Alabama

Leo Wang, Cree Power Application

Robust Analysis and Synthesis Design Tools for Digitally Controlled Power Converters .... 317 Mark Halton, University of Limerick, Ireland Petar Iordanov, University of Limerick, Ireland James Mooney, University of Limerick, Ireland

Discrete-Time Modelling, Stability Analysis, and Active Stabilization of DC Distribution Systems with Constant Power Loads .................................................................... 323 Mehdi Karbalaye Zadeh, Norwegian University of Science and Technology, Norway Roghayeh Gavagsaz-Ghoachani, University of Lorraine, France J-Ph. Martin, University of Lorraine, France Serge Pierfederici, University of Lorraine, France Babak Nahid-Mobarakeh, University of Lorraine, France Marta Molinas, Norwegian University of Science and Technology, Norway

Design of Current Observer based on Generalized Model of Multiphase Boost Converter ............................................................................................................................ 330 Li Wei, Tongji University, China Difu Zhan, Tongji University, China Yongtao Yao, Tongji University, China Yicheng Zhang, Tongji University, China

New ZVS Analysis of PWM Converters Applied to Super-Junction, GaN and SiC Power FETs ................................................................................................................................... 336 Rais Miftakhutdinov, Texas Instruments Inc., United States

Modeling and Sensitivity Analysis of Consensus Algorithm based Distributed Hierarchical Control for DC Microgrids ....................................................................................... 342 Lexuan Meng, Aalborg University, Denmark Tomislav Dragicevic, Aalborg University, Denmark Juan C. Vasquez, Aalborg University, Denmark Josep M. Guerrero, Aalborg University, Denmark Javier Roldán Pérez, Universidad Pontificia Comillas, Spain

Static and Dynamic Analysis of a 300W Series Connection Flyback Converter Applied to Photovoltaic Panels ...................................................................................................................... 350 D. López del Moral, Universidad Carlos III de Madrid, Spain A. Barrado, Universidad Carlos III de Madrid, Spain M. Sanz, Universidad Carlos III de Madrid, Spain H. Miniguano, Universidad Carlos III de Madrid, Spain C. Fernández, Universidad Carlos III de Madrid, Spain C. Raga, Universidad Carlos III de Madrid, Spain A. Lázaro, Universidad Carlos III de Madrid, Spain

Real-Time Model-based Fault Diagnosis for Switching Power Converters ............................. 358 Jason Poon, University of California, Berkeley, United States Ioannis C. Konstantakopoulos, University of California, Berkeley, United States Costas Spanos, University of California, Berkeley, United States Seth R. Sanders, University of California, Berkeley, United States

Reduced Order Discrete Time Modeling of ZVS Transition Dynamics in the Dual Active Bridge Converter ........................................................................................................................... 365 Daniel Costinett, University of Tennessee, United States

On Limit Cycle Oscillations in Discrete-Time Digital Linear Regulators .................................. 371 Saad Bin Nasir, Georgia Institute of Technology, United States Arijit Raychowdhury, Georgia Institute of Technology, United States

Session T7: DC-DC Converter Control I Location: Room 218/219 March 17, 2015 8:30 - 12:00 Session Chairs: Shamim Choudhury, Texas Instruments

Akshay Kumar Rathore, National University of Singapore

Switching-Cycle Capacitor Voltage Control for the Modular Multilevel DC/DC Converters ......................................................................................................................... 377 Jun Wang, Virginia Polytechnic Institute and State University, United States Rolando Burgos, Virginia Polytechnic Institute and State University, United States Dushan Boroyevich, Virginia Polytechnic Institute and State University, United States

DCM Control Scheme for Single-Inductor Multiple-Output DC-DC Converter with No Cross-Regulation .................................................................................................................... 385 Wangxin Huang, University of Alabama, United States Jaber A. Abu Qahouq, University of Alabama, United States Zhigang Dang, University of Alabama, United States Christopher Johnson, University of Alabama, United States

Dual-Loop Geometric-based Control of Buck Converters ........................................................ 392 Ignacio Galiano Zurbriggen, University of British Columbia, Canada Matias Anun, University of British Columbia, Canada Martin Ordonez, University of British Columbia, Canada

Fast Adaptive on Time Control for Transient Performance Improvement ............................... 397 Syed Bari, Virginia Polytechnic Institute and State University, United States Qiang Li, Virginia Polytechnic Institute and State University, United States Fred C. Lee, Virginia Polytechnic Institute and State University, United States

Beyond Time Optimal Performance using SIMO DC-DC Converters in Dynamic Voltage Scaling ............................................................................................................................. 404 Santanu Kapat, Indian Institute of Technology Kharagpur, India

Variable Switching Noise Mitigation in Hysteretic Power Converters using Spur-Free Control ......................................................................................................................... 410 Mina Nashed, Iowa State University, United States Ayman Fayed, Iowa State University, United States

Overview, Equivalences and Design Guidelines of v1 Concept: A Voltage Mode Control that Behaves as a Current-Mode with Near Time-Optimal Response ......................... 414 Jorge Cortés, Universidad Politécnica de Madrid, Spain Vladimir Šviković, Universidad Politécnica de Madrid, Spain Pedro Alou, Universidad Politécnica de Madrid, Spain Jesús A. Oliver, Universidad Politécnica de Madrid, Spain José A. Cobos, Universidad Politécnica de Madrid, Spain

Control of Input-Series and Output-Independent Power Converter Building Block System based on Buck Converter Topology .............................................................................. 422 Ye Li, University of Wisconsin, Madison, United States Yehui Han, University of Wisconsin, Madison, United States

Controller Scalability Methods for Digital Point of Load Converters ....................................... 430 Marco Meola, Zentrum Mikroelektronik Dresden AG, Germany Alessandro Cinti, Zentrum Mikroelektronik Dresden AG, Germany Anthony Kelly, Zentrum Mikroelektronik Dresden AG, Ireland

Session T8: Integrated and HF DC-DC Converters Location: Room 217A March 18, 2015 8:30 - 10:00 Session Chairs: Zhigang Liang, International Rectifier

David Perreault, Massachusetts Institute of Technology

A Configurable Power Management IC for Low-Volume DC-DC Converter Applications with High Frequency Current Programmed Mode Control ........................................................ 437 S M Ahsanuzzaman, University of Toronto, Canada David A. Johns, University of Toronto, Canada Aleksandar Prodic, University of Toronto, Canada

An On-Chip Integrated Auto-Tuned Hybrid Current-Sensor for High-Frequency Low-Power DC-DC Converters .................................................................................................... 445 S M Ahsanuzzaman, University of Toronto, Canada Aleksandar Prodić, University of Toronto, Canada

A 100-V 2-MHz Isolated QSW-ZVS Three-Level DC-DC Converter with On-Chip Dynamic Dead-Time Controlled Synchronous Gate Driver for eGaN Power FETs ................. 451 Jing Xue, University of Texas, Dallas, United States Lin Cong, University of Texas, Dallas, United States Hoi Lee, University of Texas, Dallas, United States

Analysis and Design of a 30 MHz Resonant SEPIC Converter ................................................. 455 Jingya Lin, Nanjing University of Aeronautics and Astronautics, China Yuan Zhou, Nanjing University of Aeronautics and Astronautics, China Zhiliang Zhang, Nanjing University of Aeronautics and Astronautics, China Xinbo Ruan, Nanjing University of Aeronautics and Astronautics, China Yan-Fei Liu, Queen’s University, Canada

Comparison of a 12V, 10A, 3MHz Buck Converter and a Series Capacitor Buck Converter ............................................................................................................................. 461 Pradeep S. Shenoy, Texas Instruments Inc., United States Mike Amaro, Texas Instruments Inc., United States Dave Freeman, Texas Instruments Inc., United States Jeff Morroni, Texas Instruments Inc., United States

Session T9: Single Phase AC-DC Converters Location: Room 217BC March 18, 2015 8:30 - 10:00 Session Chairs: Dusty Becker, Emerson

Pritam Das, National University of Singapore

Analysis, Modeling and Design of a True Bridgeless Single Stage PFC with Galvanic Isolation ......................................................................................................................... 469 Simon Nigsch, University of Applied Sciences NTB, Switzerland Slobodan Cuk, TESLAco, United States Kurt Schenk, University of Applied Sciences NTB, Switzerland

Analysis and Design of DCM SEPIC PFC with Adjustable Output Voltage .............................. 477 Rui Chen, Virginia Polytechnic Institute and State University, United States Jih-Sheng Lai, Virginia Polytechnic Institute and State University, United States

A Novel Variable Duty Cycle Control to Achieve Optimal Reduction of the Electrolytic Capacitor Ripple Current for DCM Boost PFC Converter ..................................... 485 Kai Yao, Nanjing University of Science and Technology, China Xincheng Hu, Nanjing University of Science and Technology, China Wenbin Hu, Nanjing University of Science and Technology, China Weijie Tang, Nanjing University of Science and Technology, China Jianguo Lyu, Nanjing University of Science and Technology, China

Design Improvements for Primary-Side-Regulated High-Power Flyback Converters in Continuous-Conduction-Mode .................................................................................................... 492 Bernard Keogh, Texas Instruments Inc., Ireland Billy Long, Texas Instruments Inc., Ireland Joe Leisten, Texas Instruments Inc., Ireland

High-Power-Factor Quasi-Resonant Flyback Converters Draw Sinusoidal Input Current ..... 498 Claudio Adragna, STMicroelectronics, Italy Giovanni Gritti, STMicroelectronics, Italy

Session T10: Miscellaneous Grid Topics Location: Room 217D March 18, 2015 8:30 - 10:00 Session Chairs: Thomas Gietzold, United Technologies Corporation (UTC)

Ali Bazzi, University of Connecticut

A Series-LC-Filtered Active Damper for AC Power Electronics based Power Systems ......... 506 Xiongfei Wang, Aalborg University, Denmark Poh Chiang Loh, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark Ying Pang, KK Wind Solutions a/s, Denmark

Improved Capacitance Ratio Optimization Methodology for Stacked Switched Capacitor Energy Buffers .............................................................................................................................. 513 Saad Pervaiz, University of Colorado, Boulder, United States Yu Ni, University of Colorado, Boulder, United States Khurram K. Afridi, University of Colorado, Boulder, United States

A New Single-Phase PLL based on Discrete Fourier Transform .............................................. 521 Huawu Liu, Nanjing University of Aeronautics and Astronautics, China Yongheng Sun, Nanjing University of Aeronautics and Astronautics, China Haibing Hu, Nanjing University of Aeronautics and Astronautics, China Yan Xing, Nanjing University of Aeronautics and Astronautics, China

Simplified Medium/High Frequency Transformer Isolation Approach for Multi-Pulse Diode Rectifier Front-End Adjustable Speed Drives .................................................................. 527 Harish S. Krishnamoorthy, Texas A&M University, United States Prasad N. Enjeti, Texas A&M University, United States Pawan Garg, Texas A&M University, United States

Dynamic Analysis and Controller Design for a Center-Point-Clamped AC-AC Converter ..... 535 Pankaj Kumar Bhowmik, University of North Carolina, Charlotte, United States Sushma Yellapragada, University of North Carolina, Charlotte, United States Madhav Manjrekar, University of North Carolina, Charlotte, United States

Session T11: Inverter Control I Location: Room 218/219 March 18, 2015 8:30 - 10:00 Session Chairs: Iqbal Husain, North Carolina State University

Kent Wanner, John Deere

Model Predictive Control of Induction Motor with Delay Time Compensation: An Experimental Assessment ........................................................................................................... 543 Muslem Uddin, University of Malaya, Malaysia Saad Mekhilef, University of Malaya, Malaysia Mutsuo Nakaoka, University of Malaya, Malaysia Marco Rivera, Universidad de Talca, Chile

Copper Loss Minimizing Control of Doubly Fed Wound Machine ............................................ 549 Yongsu Han, Seoul National University, Korea, South Jung-Ik Ha, Seoul National University, Korea, South

Direct Torque Control of IPMSM Driven by a Three Level NPC Inverter with Torque and Capacitor Voltage Ripple Reduction ........................................................................................... 557 Deepu Mohan, Nanyang Technological University, Singapore Zhang Xinan, Nanyang Technological University, Singapore Gilbert Foo, Nanyang Technological University, Singapore

Subharmonic Reduction for Six Step Operation of Three-Phase Inverter ............................... 565 Ziwei Ke, Oregon State University, United States Julia Zhang, Oregon State University, United States

Small-Signal Modeling, Analysis and Testing of Parallel Three-Phase-Inverters with a Novel Autonomous Current Sharing Controller ......................................................................... 571 Yajuan Guan, Aalborg University, Denmark Juan C. Vasquez, Aalborg University, Denmark Josep M. Guerrero, Aalborg University, Denmark Ernane Antônio Alves Coelho, Federal University of Uberlândia, Brazil

Session T12: Conductive and Inductive Chargers for Electric Vehicles Location: Room 213A March 18, 2015 8:30 - 10:00 Session Chairs: Omer Onar, Oak Ridge National Laboratory

Khurram Afridi, University of Colorado, Boulder

Design of Integrated Transformer and Inductor for High Frequency Dual Active Bridge GaN Charger for PHEV ................................................................................................................. 579 Mingkai Mu, Virginia Polytechnic Institute and State University, United States Lingxiao Xue, Virginia Polytechnic Institute and State University, United States Dushan Boroyevich, Virginia Polytechnic Institute and State University, United States Brian Hughes, HRL Laboratories, United States Paolo Mattavelli, Università di Padova, Italy

Interleaved SEPIC PFC Converter using Coupled Inductors in PEV Battery Charging Applications .................................................................................................................. 586 Haoyu Wang, University of Maryland, College Park, United States Alireza Khaligh, University of Maryland, College Park, United States

Wireless Power Transfer via Harmonic Current for Electric Vehicles Application ................. 592 Hulong Zeng, Michigan State University, United States Shuitao Yang, Michigan State University, United States Fangzheng Peng, Michigan State University, United States

Output Power and Efficiency Sensitivity to Circuit Parameter Variations in Double-Sided LCC-Compensated Wireless Power Transfer System ............................................................... 597 Fei Lu, University of Michigan, United States Heath Hofmann, University of Michigan, United States Junjun Deng, University of Michigan, United States Chris Mi, University of Michigan, United States

The Optimal Design of GaN-based Dual Active Bridge for Bi-Directional Plug-in Hybrid Electric Vehicle (PHEV) Charger .................................................................................................. 602 Lingxiao Xue, Virginia Polytechnic Institute and State University, United States Mingkai Mu, Virginia Polytechnic Institute and State University, United States Dushan Boroyevich, Virginia Polytechnic Institute and State University, United States Paolo Mattavelli, Università di Padova, Italy

Session T13: DC-DC Converter Control II Location: Room 213BC March 18, 2015 8:30 - 10:00 Session Chairs: Bilal Akin, University of Texas, Dallas

Yilmaz Sozer, University of Akron

Soft Start-Up for High Frequency LLC Resonant Converter with Optimal Trajectory Control ......................................................................................................................... 609 Chao Fei, Virginia Polytechnic Institute and State University, United States Fred C. Lee, Virginia Polytechnic Institute and State University, United States Qiang Li, Virginia Polytechnic Institute and State University, United States

Introducing State-Trajectory Control for the Synchronous Interleaved Boost Converter ............................................................................................................................ 616 Rafael Peña-Alzola, University of British Columbia, Canada Peter Ksiazek, University of British Columbia, Canada Martin Ordonez, University of British Columbia, Canada Huai Wang, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark

Input Voltage Ripple based Sensorless Current Sharing Auto-Tuning Controller for Multiphase DC-DC Converters ............................................................................................... 622 Wangxin Huang, University of Alabama, United States Jaber A. Abu Qahouq, University of Alabama, United States

Digital I2 Average Current Mode Control for Swith-Mode Power Supplies .............................. 628 Siyu He, Auburn University, United States R.M. Nelms, Auburn University, United States

Reconfigurable Bi-Frequency DPWM with Custom Spectral Shaping in a Synchronous Buck Converter ..................................................................................................... 635 Santanu Kapat, Indian Institute of Technology Kharagpur, India

Session T14: Renewable Circuits I Location: Room 213D March 18, 2015 8:30 - 10:00 Session Chairs: Jason Stauth, Dartmouth College

Bulent Sarlioglu, University of Wisconsin, Madison

A New Multi-Input Three-Level Integrated DC/DC Converter for Renewable Energy Systems ............................................................................................................................ 641 Serkan Dusmez, University of Texas, Dallas, United States Xiong Li, University of Texas, Dallas, United States Bilal Akin, University of Texas, Dallas, United States

A High Efficiency Cascaded Thermoelectric Generation System with Power Balancing Mechanism .................................................................................................................. 647 Zhaoxin Qiu, Tsinghua University, China Kai Sun, Tsinghua University, China Hongfei Wu, Nanjing University of Aeronautics and Astronautics, China Jun Huang, Nanjing University of Aeronautics and Astronautics, China Yan Xing, Nanjing University of Aeronautics and Astronautics, China

Low Power Integrated On-Chip Current to Digital Converter .................................................... 654 Edgar Marti-Arbona, Arizona State University, United States Debashis Mandal, Arizona State University, United States Bertan Bakkaloglu, Arizona State University, United States Sayfe Kiaei, Arizona State University, United States

A MOSFET Transformerless Inverter with Reactive Power Capability for Micro-Inverter Applications .......................................................................................................... 658 Baifeng Chen, Virginia Polytechnic Institute and State University, United States Cong Zheng, Virginia Polytechnic Institute and State University, United States Bin Gu, Virginia Polytechnic Institute and State University, United States Lanhua Zhang, Virginia Polytechnic Institute and State University, United States Jih-Sheng Lai, Virginia Polytechnic Institute and State University, United States

A Single-Step, Single-Inductor Energy-Harvesting-based Power Supply Platform with a Regulated Battery Charger for Mobile Applications ....................................................... 666 Ahmed A. Abdelmoaty, Iowa State University, United States Ayman Fayed, Iowa State University, United States

Session T15: Renewable Microgrids Location: Room 217A March 18, 2015 14:00 - 17:30 Session Chairs: Behrooz Mirafzal, Kansas State University

Haihua Zhou, International Rectifier

Distributed Energy Storage Device Integration with Three Phase Distribution Grid using a Transformerless Intelligent Power Substation ........................................................................ 670 Sachin Madhusoodhanan, North Carolina State University, United States Awneesh Tripathi, North Carolina State University, United States Krishna Mainali, North Carolina State University, United States Dhaval Patel, North Carolina State University, United States Arun Kadavelugu, North Carolina State University, United States Subhashish Bhattacharya, North Carolina State University, United States

Stationary-Frame-based Generalized Control Diagram for PWM AC-DC Front-End Converters with Unbalanced Grid Voltage in Renewable Energy Systems ............................. 678 Yiqi Liu, Harbin Institute of Technology, China Ningning Li, Harbin Institute of Technology, China Yu Fu, Harbin Institute of Technology, China Jianze Wang, Harbin Institute of Technology, China Yanchao Ji, Harbin Institute of Technology, China

DC Electric Springs – An Emerging Technology for DC Grids ................................................. 684 Kwan-Tat Mok, University of Hong Kong, Hong Kong Ming-Hao Wang, University of Hong Kong, Hong Kong Siew-Chong Tan, University of Hong Kong, Hong Kong Shu-Yuen (Ron) Hui, Imperial College London, United Kingdom

Stability Analysis and Controller Design of DC Microgrids with Constant Power Loads ...... 691 Luis Herrera, Ohio State University, United States Jin Wang, Ohio State University, United States

A 13.8-kV 4.75-MVA Microgrid Laboratory Test Bed .................................................................. 697 Yusi Liu, University of Arkansas, United States Chris Farnell, University of Arkansas, United States Juan Carlos Balda, University of Arkansas, United States H. Alan Mantooth, University of Arkansas, United States

A Scalable DC Microgrid Architecture for Rural Electrification in Emerging Regions ........... 703 P. Achintya Madduri, University of California, Berkeley, United States Jason Poon, University of California, Berkeley, United States Javier Rosa, University of California, Berkeley, United States Matthew Podolsky, University of California, Berkeley, United States Eric Brewer, University of California, Berkeley, United States Seth Sanders, University of California, Berkeley, United States

A Non-Isolated Bidirectional Soft Switching Current fed LCL Resonant DC/DC Converter to Interface Energy Storage in DC Microgrid .............................................................................. 709 Devendra Patil, University of Texas, Dallas, United States Akshay K. Rathore, National University of Singapore, Singapore Dipti Srinivasan, National University of Singapore, Singapore

Naturally Clamped Snubberless Soft-Switching Bidirectional Current-Fed Three-Phase Push-Pull DC/DC Converter for DC Micro-Grid Application ...................................................... 717 Satarupa Bal, National University of Singapore, Singapore Akshay K. Rathore, National University of Singapore, Singapore Dipti Srinivasan, National University of Singapore, Singapore

Energy Management Strategy for Supercapacitor in Autonomous DC Microgrid using Virtual Impedance ......................................................................................................................... 725 Yuru Zhang, University of Alberta, Canada Yunwei Li, University of Alberta, Canada

Session T16: WBG Device Performance & Circuit Interactions Location: Room 217BC March 18, 2015 14:00 - 17:30 Session Chairs: Alex Q. Huang, North Carolina State University

Juan Carlos Balda, University of Arkansas

A Gate Drive Circuit with Mid-Level Voltage for GaN Transistors in a 7-MHz Isolated Resonant Converter ...................................................................................................................... 731 Zhou Dong, Nanjing University of Aeronautics and Astronautics, China Zhiliang Zhang, Nanjing University of Aeronautics and Astronautics, China Xiaoyong Ren, Nanjing University of Aeronautics and Astronautics, China Xinbo Ruan, Nanjing University of Aeronautics and Astronautics, China Yan-Fei Liu, Queen's University, Canada

Loss Analysis During Dead Time and Thermal Study of Gallium Nitride Devices .................. 737 Haiyu Zhang, Texas A&M University, United States Robert S. Balog, Texas A&M University, United States

Effectively Paralleling Gallium Nitride Transistors for High Current and High Frequency Applications ............................................................................................................... 745 David Reusch, Efficient Power Conversion Corporation, United States Johan Strydom, Efficient Power Conversion Corporation, United States

Paralleling GaN HEMTs for Diode-Free Bridge Power Converters ........................................... 752 Zhan Wang, Transphorm Inc., United States Yifeng Wu, Transphorm Inc., United States Jim Honea, Transphorm Inc., United States Liang Zhou, Transphorm Inc., United States

GaN-based High Frequency Totem-Pole Bridgeless PFC Design with Digital Implementation .................................................................................................................. 759 Lingxiao Xue, Virginia Polytechnic Institute and State University, United States Zhiyu Shen, Virginia Polytechnic Institute and State University, United States Dushan Boroyevich, Virginia Polytechnic Institute and State University, United States Paolo Mattavelli, Università di Padova, Italy

A Self-Powered Ultra-Fast DC Solid State Circuit Breaker using a Normally-on SiC JFET .... 767 Zhenyu Miao, Illinois Institute of Technology, United States Gourab Sabui, Illinois Institute of Technology, United States Aozhu Chen, Illinois Institute of Technology, United States Yan Li, Illinois Institute of Technology, United States Z. John Shen, Illinois Institute of Technology, United States Jun Wang, Hunan University, China Zhikang Shuai, Hunan University, China An Luo, Hunan University, China Xin Yin, Hunan University, China Mengxuan Jiang, Hunan University, China

Active Gate Driver for Fast Switching and Cross-Talk Suppression of SiC Devices in a Phase-Leg Configuration ............................................................................................................. 774 Zheyu Zhang, University of Tennessee, United States Fred Wang, University of Tennessee, United States Leon M. Tolbert, University of Tennessee, United States Benjamin J. Blalock, University of Tennessee, United States Daniel J. Costinett, University of Tennessee, United States

Closed-Loop Control of Switching Transition of SiC MOSFETs ............................................... 782 Hossein Riazmontazer, University of Illinois, Chicago, United States Arash Rahnamaee, University of Illinois, Chicago, United States Alireza Mojab, University of Illinois, Chicago, United States Siamak Mehrnami, University of Illinois, Chicago, United States Sudip K. Mazumder, University of Illinois, Chicago / NextWatt LLC, United States Milos Zefran, University of Illinois, Chicago, United States

Evaluation of 1.2 kV, 100A SiC Modules for High-Frequency, High-Temperature Applications ................................................................................................... 789 Andrew Lemmon, University of Alabama, United States Ryan Graves, University of Alabama, United States James Gafford, Mississippi State University, United States

Session T17: Inverter Topologies Location: Room 217D March 18, 2015 14:00 - 17:30 Session Chairs: Babak Nahidmobarakeh, University of Lorraine

Yichao Tang, University of Maryland

A New Hybrid Active Neutral Point Clamped Flying Capacitor Multilevel Inverter ................. 794 Roozbeh Naderi, University of California, Irvine, United States Keyue Smedley, University of California, Irvine, United States

New Modular Multilevel Converter with Power Channels between Upper- and Lower Arms Suitable for MV Drives ........................................................................................................ 799 Liqun He, Huazhong University of Science and Technology, China Kai Zhang, Huazhong University of Science and Technology, China Jian Xiong, Huazhong University of Science and Technology, China Shengfang Fan, Huazhong University of Science and Technology, China Xiaosen Chen, Huazhong University of Science and Technology, China Yaosuo Xue, Siemens Corporation, United States

Minimized Quasi-Z Source Network for Single-Phase Inverter ................................................. 806 Baoming Ge, Texas A&M University, United States Haitham Abu-Rub, Texas A&M University at Qatar, Qatar Yushan Liu, Texas A&M University at Qatar, Qatar Robert S. Balog, Texas A&M University, United States

Ripple Voltage Minimization in Single Phase Floating Bridge Converter Modules using a Transformer Coupled Asymmetrical Bridge Converter ............................................................. 812 R. Ul Haque, University of Alberta, Canada S. Leng, University of Alberta, Canada N. Perera, University of Alberta, Canada J. Salmon, University of Alberta, Canada

Practical Implementation of Dual Purpose No Voltage Drives for Bearingless Motors .......... 819 Eric Severson, University of Minnesota, United States Srikant Gandikota, University of Minnesota, United States Ned Mohan, University of Minnesota, United States

An Active Filter Method to Eliminate DC-Side Low-Frequency Power for Single-Phase Quasi-Z Source Inverter ............................................................................................................... 827 Baoming Ge, Texas A&M University, United States Haitham Abu-Rub, Texas A&M University at Qatar, Qatar Yushan Liu, Texas A&M University at Qatar, Qatar Robert S. Balog, Texas A&M University, United States

Space-Vector-Modulated for Z-Source Three-Level T-Type Converter with Neutral Voltage Balancing ......................................................................................................................... 833 Xiangyang Xing, Shandong University, China Alian Chen, Shandong University, China Weisheng Wang, Shandong University, China Chenghui Zhang, Shandong University, China Yuzhuo Li, Shandong University, China Chunshui Du, Shandong University, China

Design Considerations for a Voltage-Boosting DC-AC Modular Multilevel Converter ........... 841 Justin Reed, University of Wisconsin, Madison, United States Giri Venkataramanan, University of Wisconsin, Madison, United States Dionisio Ramírez, Universidad Politécnica de Madrid, Spain Carlos Soriano, University of Colorado, Denver, United States

A Discontinuous PWM Strategy Optimized for High-Frequency Pulsating-DC Link Inverters ................................................................................................................................ 849 Arash Rahnamaee, University of Illinois, Chicago, United States Hossein Riazmontazer, University of Illinois, Chicago, United States Alireza Mojab, University of Illinois, Chicago, United States Sudip K. Mazumder, University of Illinois, Chicago, United States Milos Zefran, University of Illinois, Chicago, United States

Session T18: LED Drivers Location: Room 218/219 March 18, 2015 14:00 - 17:30 Session Chairs: Jim Spangler, Spangler Prototype Inc.

Zobair Roohani, International Rectifier

High Efficiency Hybrid Current Balancing Method for Multi-Channel LED Drive .................... 854 Rongrong Zhao, Zhejiang University, China Junming Zhang, Zhejiang University, China

A Novel Bipolar Series Ripple Compensation Method for Single-Stage High-Power LED Driver ..................................................................................................................................... 861 Yajie Qiu, Queen's University, Canada Laili Wang, Queen's University, Canada Yan-Fei Liu, Queen's University, Canada P.C. Sen, Queen's University, Canada

A Ring Diode-Capacitor Network for Current-Balancing Multiple LED Strings ....................... 869 Ruihong Zhang, City University of Hong Kong, Hong Kong Henry Shu-Hung Chung, City University of Hong Kong, Hong Kong

The LED Driver Compatible with Electronic Ballasts by Variable Switched Capacitor .......... 877 Duy T. Nguyen, KAIST, Korea, South Eun S. Lee, KAIST, Korea, South Chun T. Rim, KAIST, Korea, South

A Scalable HB-LED Driver for Multi-Color Adaptive Lighting Systems .................................... 884 Kumar Modepalli, Rensselaer Polytechnic Institute, United States Leila Parsa, Rensselaer Polytechnic Institute, United States

Line-Frequency Dual Input-Voltage-Level LED Driver ............................................................... 890 Tsorng-Juu Liang, National Cheng Kung University, Taiwan Jyun-Peng Wu, National Cheng Kung University, Taiwan Wei-Ching Tseng, National Cheng Kung University, Taiwan Po-Yen Lin, National Cheng Kung University, Taiwan Sheng-Ju Chen, National Cheng Kung University, Taiwan

A 110-V AC, 17.1-W Multi-Segmented LED Driver with 96.2% Power Factor ........................... 896 Taehoon Jeong, Seoul National University, Korea, South Jaeha Kim, Seoul National University, Korea, South

A Novel Passive Type LED Driver for Static LED Power Regulation by Multi-Stage Switching Circuits ......................................................................................................................... 900 Eun S. Lee, KAIST, Korea, South Duy T. Nguyen, KAIST, Korea, South Chun T. Rim, KAIST, Korea, South

Single Stage Switched Capacitor LED Driver with High Power Factor and Reduced Current Ripple ............................................................................................................................... 906 Esio Eloi, Universidade Federal do Ceará, Brazil Edilson Mineiro Sá Jr., Universidade Federal do Ceará, Brazil Rodrigo Linhares Dos Santos, Universidade Federal do Ceará, Brazil Pedro A. Miranda, Universidade Federal do Ceará, Brazil Fernando L.M. Antunes, Universidade Federal do Ceará, Brazil

Session T19: Non-Isolated DC-DC Converters Location: Room 213A March 18, 2015 14:00 - 17:30 Session Chairs: Cahit Gezgin, International Rectifier

Qiang Li, Virginia Polytechnic Institute and State University

Improving Loading and Unloading Transient Response of a Voltage Regulator Module using a Load-Side Auxiliary Gyrator Circuit ............................................................................... 913 Or Kirshenboim, Ben-Gurion University of the Negev, Israel Alon Cervera, Ben-Gurion University of the Negev, Israel Mor Mordechai Peretz, Ben-Gurion University of the Negev, Israel

Multi-Mode Control Strategy in Three-Level DC-DC Converter for Higher Efficiency Operation under Light-Load and Standby Conditions ............................................................... 921 Lu Liu, Zhejiang University, China Wenxi Yao, Zhejiang University, China Zhengyu Lu, Zhejiang University, China

Novel Interleaved Multiphase Proposal for a Three Level Neutral Point Clamped Buck Converter ............................................................................................................................. 927 Alessandro Pevere, Università degli Studi di Udine, Italy Roberto Petrella, Università degli Studi di Udine, Italy Chris Mi, University of Michigan, United States Shijie Zhou, University of Michigan, United States

Reset-Sensing Quasi-V2 Single-Inductor Multiple-Output Buck Converter with Reduced Cross-Regulation .......................................................................................................... 935 Albert T.L. Lee, University of Hong Kong, Hong Kong Siew-Chong Tan, University of Hong Kong, Hong Kong S.Y. (Ron) Hui, University of Hong Kong, Hong Kong Philip C.H. Chan, University of Hong Kong, Hong Kong Johnny K.O. Sin, University of Hong Kong, Hong Kong

Soft-Switching SiC Interleaved Boost Converter ....................................................................... 941 M.R. Ahmed, University of Manchester, United Kingdom G. Calderon-Lopez, University of Manchester, United Kingdom F. Bryan, University of Manchester, United Kingdom R. Todd, University of Manchester, United Kingdom A.J. Forsyth, University of Manchester, United Kingdom

An Optimized Layout with Low Parasitic Inductances for GaN HEMTs based DC-DC Converter .......................................................................................................................... 948 Kangping Wang, Xi'an Jiaotong University, China Huan Ma, Xi'an Jiaotong University, China Hongchang Li, Xi'an Jiaotong University, China Yixuan Guo, Xi'an Jiaotong University, China Xu Yang, Xi'an Jiaotong University, China Xiangjun Zeng, Xi'an Jiaotong University, China Xiaoling Yu, Xi'an Jiaotong University, China

The Direct-Conversion Resonant Switched Capacitor Architecture with Merged Multiphase Interleaving: Cost and Performance Comparison .................................................. 952 Kapil Kesarwani, Dartmouth College, United States Jason T. Stauth, Dartmouth College, United States

Server Power Management with Integrated Lithium-Ion Ultracapacitor and Bi-Directional DC-DC Converter for Distributed Ups and Reactive Power Mitigation ..................................... 960 Shuze Zhao, University of Toronto, Canada Nameer Khan, University of Toronto, Canada Yue Wen, University of Toronto, Canada Olivier Trescases, University of Toronto, Canada

Voltage-Mode Digital Pulse Train Control for Light Load DC-DC Converters with Spread Spectrum .......................................................................................................................... 966 Santanu Kapat, Indian Institute of Technology Kharagpur, India

Session T20: Multilevel Converters and Power Transformers Location: Room 213BC March 18, 2015 14:00 - 17:30 Session Chairs: Daniel Ludois, University of Wisconsin, Madison

Julia Zhang, Oregon State University

A Novel Control Strategy of a Modular Multilevel Converter (MMC) based VSC-HVDC Transmission System ................................................................................................................... 972 Shenghui Cui, Seoul National University, Korea, South Jae-Jung Jung, Seoul National University, Korea, South Younggi Lee, Seoul National University, Korea, South Seung-Ki Sul, Seoul National University, Korea, South

Operation and Control of MMCs using Cells with Power Transfer Capability ......................... 980 Fernando Briz, Universidad de Oviedo, Spain Mario López, Universidad de Oviedo, Spain Alberto Zapico, Universidad de Oviedo, Spain Alberto Rodríguez, Universidad de Oviedo, Spain David Díaz-Reigosa, Universidad de Oviedo, Spain

Double-Clamp Cell with Reduced Losses for DC Short-Circuit Current Limitation in MMC ......................................................................................................................... N/A Alberto Zapico, Universidad de Oviedo, Spain Mario López, Universidad de Oviedo, Spain Fernando Briz, Universidad de Oviedo, Spain David Reigosa, Universidad de Oviedo, Spain

A Fault Tolerant Operation Technique for STATCOMs based on Star-Connected Cascaded H-Bridges Multilevel Converter .................................................................................. 995 Chia-Tse Lee, National Tsing Hua University, Taiwan Hsin-Chih Chen, National Tsing Hua University, Taiwan Ping-Heng Wu, National Tsing Hua University, Taiwan Ching-Wei Wang, National Tsing Hua University, Taiwan Ching-Hsiang Yang, National Tsing Hua University, Taiwan Po-Tai Cheng, National Tsing Hua University, Taiwan

A Gallium Nitride Device based Switched Capacitor Multilevel Converter for UPS Applications ........................................................................................................................ 1002 Mohammed Alsolami, Ohio State University, United States Mark Scott, Ohio State University, United States Jin Wang, Ohio State University, United States

Auxiliary Power Supply for Solid State Transformer with Ultra High Voltage Capacitive Driving ....................................................................................................................... 1008 Sheng Zong, Zhejiang University, China Qianlai Zhu, North Carolina State University, United States Wensong Yu, North Carolina State University, United States Alex Q. Huang, North Carolina State University, United States

Start-Up Scheme for Solid State Transformers Connected to Medium Voltage Grids ......... 1014 Krishna Mainali, North Carolina State University, United States Sachin Madhusoodhanan, North Carolina State University, United States Awneesh Tripathi, North Carolina State University, United States Dhaval Patel, North Carolina State University, United States Subhashish Bhattacharya, North Carolina State University, United States

An Evaluation of Selected Solid-State Transformer Topologies for Electric Distribution Systems .................................................................................................................. 1022 Roderick J. Garcia Montoya, University of Arkansas, United States Adithya Mallela, University of Arkansas, United States Juan Carlos Balda, University of Arkansas, United States

A New Hybrid Power Electronics On-Load Tap Changer for Power Transformer ................. 1030 Nan Chen, ABB Corporate Research, Sweden Lars E. Jonsson, ABB Corporate Research, Sweden

Session T21: Component Modeling Location: Room 213D March 18, 2015 14:00 - 17:30 Session Chairs: Sheldon Williamson, University of Ontario Institute of Technology

Vahidreza Nasirian, University of Texas, Arlington

A Knowledge-based Magnetic Component Design System with Finite Element Analysis Integration .................................................................................................................... 1038 Samira Janghorban, RMIT University, Australia Qingmai Wang, RMIT University, Australia Donald Grahame Holmes, RMIT University, Australia Xinghuo Yu, RMIT University, Australia

On-Chip Three-Phase Coupled Power Inductor for Switching Power Converters ................ 1045 Zhigang Dang, University of Alabama, United States Jaber A. Abu Qahouq, University of Alabama, United States

4H-SiC 15kV n-IGBT Physics-based Sub-Circuit Model Implemented in Simulink/Matlab ... 1051 Meng-Chia Lee, North Carolina State University, United States Gangyao Wang, North Carolina State University, United States Alex Q. Huang, North Carolina State University, United States

An Accurate Matlab/Simulink based SiC MOSFET Model for Power Converter Applications ............................................................................................................... 1058 Georgios Kampitsis, National Technical University of Athens, Greece Michail Antivachis, National Technical University of Athens, Greece Sotirios Kokosis, National Technical University of Athens, Greece Stavros Papathanassiou, National Technical University of Athens, Greece Stefanos Manias, National Technical University of Athens, Greece

Temperature-Dependent Performance of Lithium Ion Batteries in Electric Vehicles ........... 1065 Xianzhi Gong, University of Michigan, Dearborn, United States Chris Mi, University of Michigan, Dearborn, United States

Permanent Magnet Power Inductor with EE Core for Switching Power Converters ............. 1073 Zhigang Dang, University of Alabama, United States Jaber A. Abu Qahouq, University of Alabama, United States

A Finite Differential Method based IGBT Model in PSPICE ..................................................... 1078 Puqi Ning, Institute of Electrical Engineering, Chinese Academy of Sciences, China Jinlei Meng, Institute of Electrical Engineering, Chinese Academy of Sciences, China Xuhui Wen, Institute of Electrical Engineering, Chinese Academy of Sciences, China

Experimental Modeling and Analysis of Lithium-Ion Battery Temperature Dependence ..... 1084 Ala A. Hussein, United Arab Emirates University, U.A.E.

Surface Temperature Estimation of Li-Ion Battery via Thermal Impulse Response Technique .................................................................................................................. 1089 Ying Xiao, University of Texas, Dallas, United States Dimitri Torregrossa, École Polytechnique Fédérale de Lausanne, Switzerland Mario Paolone, École Polytechnique Fédérale de Lausanne, Switzerland

Session T22: DC-DC Converter Applications Location: Room 213A March 19, 2015 8:30 - 11:20 Session Chairs: Olivier Trescases, University of Toronto

Xin Zhou, Maxim Integrated

10kV SiC-based Isolated DC-DC Converter for Medium Voltage-Connected Solid-State Transformers ........................................................................................................... 1096 D. Rothmund, ETH Zürich, Switzerland G. Ortiz, ETH Zürich, Switzerland Th. Guillod, ETH Zürich, Switzerland J.W. Kolar, ETH Zürich, Switzerland

A Medium Voltage Bidirectional DC-DC Converter Combining Resonant and Dual Active Bridge Converters ....................................................................................................................... 1104 Li Wang, North Carolina State University, United States Qianlai Zhu, North Carolina State University, United States Wensong Yu, North Carolina State University, United States Alex Q. Huang, North Carolina State University, United States

A Dual-Active-Bridge Converter-based High Step-Up Converter with Voltage-Multiplier for High-Efficiency PV Application ............................................................................................ 1112 Yangjun Lu, Nanjing University of Aeronautics and Astronautics, China Hongfei Wu, Nanjing University of Aeronautics and Astronautics, China Yan Xing, Nanjing University of Aeronautics and Astronautics, China Kai Sun, Tsinghua University, China

Capacitor Coupled Transformer-Less DC-DC Boost Converter with Large Conversion Ratios ...................................................................................................................... 1118 Parikshith Channegowda, University of Wisconsin, Madison, United States Giri Venkataramanan, University of Wisconsin, Madison, United States

A Novel Bi-Directional DC-DC Converter for Distributed Energy Storage Device ................ 1126 Fei Xue, North Carolina State University, United States Ruiyang Yu, North Carolina State University, United States Wensong Yu, North Carolina State University, United States Alex Q. Huang, North Carolina State University, United States Yu Du, ABB Corporate Research, United States

ZVS Double-Side LCC Compensated Resonant Inverter with Magnetic Integration for Electric Vehicle Wireless Charger ............................................................................................. 1131 Junjun Deng, University of Michigan, Dearborn, United States Fei Lu, University of Michigan, Dearborn, United States Weihan Li, University of Michigan, Dearborn, United States Ruiqing Ma, Northwestern Polytechnical University, China Chris Mi, University of Michigan, Dearborn, United States

Efficient High Step-Up Topology for Renewable Energy Source Interfacing ........................ 1137 Giorgio Spiazzi, Università di Padova, Italy Simone Buso, Università di Padova, Italy Davide Biadene, Università di Padova, Italy

Session T23: System Integration Location: Room 213BC March 19, 2015 8:30 - 11:20 Session Chairs: Ernie Parker, Crane Aerospace & Electronics

John Vigars, Allegro Microsystems

Dead-Time Optimization of SiC Devices for Voltage Source Converter ................................. 1145 Zheyu Zhang, University of Tennessee, United States Fred Wang, University of Tennessee, United States Daniel J. Costinett, University of Tennessee, United States Leon M. Tolbert, University of Tennessee, United States Benjamin J. Blalock, University of Tennessee, United States Haifeng Lu, Tsinghua University, China

Assessment of Switching Frequency Impact on the Prediction Capability of Common-Mode EMI Emissions of SiC Power Converters using Unterminated Behavioral Models .... 1153 Bingyao Sun, Virginia Polytechnic Institute and State University, United States Rolando Burgos, Virginia Polytechnic Institute and State University, United States

Low Profile Coupled Inductor Substrate with Fast Transient Response ............................... 1161 Yipeng Su, Virginia Polytechnic Institute and State University, United States Dongbin Hou, Virginia Polytechnic Institute and State University, United States Fred C. Lee, Virginia Polytechnic Institute and State University, United States Qiang Li, Virginia Polytechnic Institute and State University, United States

Planar Inductor Structure with Variable Flux Distribution – A Benefit or Impediment? ....... 1169 Yipeng Su, Virginia Polytechnic Institute and State University, United States Qiang Li, Virginia Polytechnic Institute and State University, United States Fred C. Lee, Virginia Polytechnic Institute and State University, United States Dongbin Hou, Virginia Polytechnic Institute and State University, United States Shuojie She, Virginia Polytechnic Institute and State University, United States

Analysis of Dead Time Influence on Common Mode Volt-Second and Inductor Saturation in Three-Phase DC-Fed Motor Drive Systems ....................................................... 1177 Xuning Zhang, Virginia Polytechnic Institute and State University, United States Dushan Boroyevich, Virginia Polytechnic Institute and State University, United States Rolando Burgos, Virginia Polytechnic Institute and State University, United States

An Isolated Step-Up DC – DC Converter using Series Connect Sine Amplitude Converters ................................................................................................................ 1185 Ankur Patel, Vicor Corporation, United States

DBC Switch Module for Management of Temperature and Noise in 220-W/in3 Power Assembly ......................................................................................................................... 1190 Jongwon Shin, Virginia Polytechnic Institute and State University, United States Woochan Kim, Virginia Polytechnic Institute and State University, United States Khai D.T. Ngo, Virginia Polytechnic Institute and State University, United States

Session T24: Modeling of AC Energy Converters and Systems Location: Room 213D March 19, 2015 8:30 - 11:20 Session Chairs: Zobair Roohani, International Rectifier

Ali Davoudi, University of Texas, Arlington

Design of an Efficient Multilevel Inverter for a 1500V Railway Propulsion System Applications ................................................................................................................... 1197 Mohamed Z. Youssef, University of Ontario Institute of Technology, Canada Mohamed Orabi, Aswan University, Egypt Mohammed Tarbouchi, Royal Military College, Canada

Stabilization of Multiple Unstable Modes for Small-Scale Inverter-based Power Systems with Impedance-based Stability Analysis ................................................................. 1202 Changwoo Yoon, Aalborg University, Denmark Xiongfei Wang, Aalborg University, Denmark Claus Leth Bak, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark

A Novel 3D Thermal Impedance Model for High Power Modules Considering Multi-Layer Thermal Coupling and Different Heating/Cooling Conditions ............................ 1209 Amir Sajjad Bahman, Aalborg University, Denmark Ke Ma, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark

Influence of Voltage Feed-Forward Control on Small-Signal Stability of Grid-Tied Inverters ...................................................................................................................... 1216 Xuan Zhang, University of Tennessee, United States Fred Wang, University of Tennessee, United States Wenchao Cao, University of Tennessee, United States Yiwei Ma, University of Tennessee, United States

Discrete-Time Modeling and Stability Analysis of Grid-Connected Inverter based on Equivalent Circuit ....................................................................................................................... 1222 Xuanlyu Wu, Xi'an Jiaotong University, China Guochun Xiao, Xi'an Jiaotong University, China Yong Lu, Xi'an Jiaotong University, China Fengwen Chen, Xi'an Jiaotong University, China Dapeng Lu, Xi'an Jiaotong University, China

A Novel Modulation Scheme and Voltage Balancing Algorithm for Modular Multilevel Converter .................................................................................................................... 1227 Apparao Dekka, Ryerson University, Canada Bin Wu, Ryerson University, Canada Navid R. Zargari, Rockwell Automation, Canada

Range and Misalignment Tolerance Comparisons between Two-Coil and Four-Coil Wireless Power Transfer Systems ............................................................................................ 1234 Zhigang Dang, University of Alabama, United States Jaber A. Abu Qahouq, University of Alabama, United States

Session T25: What's in the Can, Combinational Semiconductors Location: Room 217A March 19, 2015 8:30 - 11:20 Session Chairs: Yang Xu, North Carolina State University

Paul Schimel, International Rectifier

Photonic Power Electronics: Past, Present, and Future ......................................................... 1241 Sudip K. Mazumder, University of Illinois, Chicago, United States

New Single-Bias All-Optical ETO Configuration for a 15 kV-100A SiC Thyristor Eliminating the Turn-on Leakage Current ................................................................................. 1250 Hossein Riazmontazer, University of Illinois, Chicago, United States Alireza Mojab, University of Illinois, Chicago, United States Arash Rahnamaee, University of Illinois, Chicago, United States Siamak Mehrnami, University of Illinois, Chicago, United States Sudip K. Mazumder, University of Illinois, Chicago, United States Milos Zefran, University of Illinois, Chicago, United States

Unified Theory of Reverse Blocking Dynamics in High-Voltage Cascode Devices .............. 1256 Jaume Roig, ON Semiconductor, Belgium Filip Bauwens, ON Semiconductor, Belgium Abhishek Banerjee, ON Semiconductor, Belgium Woochul Jeon, ON Semiconductor, United States Alexander Young, ON Semiconductor, United States Jason McDonald, ON Semiconductor, United States Balaji Padmanabhan, ON Semiconductor, United States Charlie Liu, ON Semiconductor, United States

New Electrical Overstress and Energy Loss Mechanisms in GaN Cascodes ....................... 1262 Sandeep R. Bahl, Texas Instruments Inc., United States Michael D. Seeman, Texas Instruments Inc., United States

The Next Generation 1200V Trench Clustered IGBT Technology with Improved Trade-Off Relationship ............................................................................................................... 1266 Hong Yao Long, University of Sheffield, United Kingdom Mark R. Sweet, University of Sheffield, United Kingdom Maria Merlyne De Souza, University of Sheffield / Eco semiconductors Ltd, United Kingdom Ekkanath Madathil Sankara Narayanan, University of Sheffield / Eco semiconductors Ltd, United Kingdom

Online Junction Temperature Measurement using Peak Gate Current .................................. 1270 Nick Baker, Aalborg University, Denmark Stig Munk-Nielsen, Aalborg University, Denmark Francesco Iannuzzo, Aalborg University, Denmark Marco Liserre, Christian-Albrechts-University of Kiel, Germany

An Optimal Switching Pattern for “SiC+Si” Hybrid Device based Voltage Source Converters ...................................................................................................................... 1276 Tiefu Zhao, Eaton Corporation, United States Jiangbiao He, Marquette University, United States

Session T26: Renewable Wind I Location: Room 217BC March 19, 2015 8:30 - 11:20 Session Chairs: William Erdman, Cinch LLC

Haoyu Wang, Shanghai Tech University

A 2.3-MW Medium-Voltage, Three-Level Wind Energy Inverter Applying a Unique Bus Structure and 4.5-kV Si/SiC Hybrid Isolated Power Modules .................................................. 1282 William L. Erdman, Cinch LLC, United States Jonathan Keller, National Renewable Energy Laboratory, United States David Grider, Cree Inc., United States Edward VanBrunt, Cree Inc., United States

Diode Rectifier Bridge-based Structure for DFIG-based Wind Turbine ................................. 1290 Rongwu Zhu, Aalborg University, Denmark Zhe Chen, Aalborg University, Denmark Xiaojie Wu, China University of Mining and Technology, China

High Stability Vector-based Direct Power Control for DFIG-based Wind Turbine ................ 1296 Rongwu Zhu, Aalborg University, Denmark Zhe Chen, Aalborg University, Denmark Xiaojie Wu, China University of Mining and Technology, China

Control Algorithm for Improving Voltage Quality of PMSG Wind Turbines under Distorted Network ....................................................................................................................... 1302 Jayoon Kang, Chonbuk National University, Korea, South Daesu Han, Chonbuk National University, Korea, South Yongsug Suh, Chonbuk National University, Korea, South Byoungchang Jung, Hyosung Co., Korea, South Jeongjoong Kim, Hyosung Co., Korea, South Jonghyung Park, Hyosung Co., Korea, South Youngjoon Choi, Hyosung Co., Korea, South

Solid-State Transformer Interfaced PMSG Wind Energy Conversion System ...................... 1310 Rui Gao, North Carolina State University, United States Iqbal Husain, North Carolina State University, United States Fei Wang, North Carolina State University, United States Alex Q. Huang, North Carolina State University, United States

Fault Tolerance Control for Outer Switches of a 3-Level Rectifier in Wind Turbine Systems ......................................................................................................................... 1318 June-Seok Lee, Ajou University, Korea, South Kyo-Beum Lee, Ajou University, Korea, South

Nine-Switch-Converter-based DFIG Wind Power System and its Dynamic Port-Current Assigned Approach for Low Voltage Riding Through (LVRT) ................................................ 1324 Gang Wen, Huazhong University of Science and Technology, China Yu Chen, Huazhong University of Science and Technology, China Pengcheng Zhang, Huazhong University of Science and Technology, China Yong Kang, Huazhong University of Science and Technology, China

Session T27: Power Electronics for Transportation Electrification Location: Room 217D March 19, 2015 8:30 - 11:20 Session Chairs: Omer Onar, Oak Ridge National Laboratory

Sheldon Williamson, University of Ontario Institute of Technology

Ultracapacitor/Battery Hybrid Energy Storage System with Real-Time Power-Mix Control Validated Experimentally in a Custom Electric Vehicle ............................................. 1331 Leonard Shao, University of Toronto, Canada Mazhar Moshirvaziri, University of Toronto, Canada Christo Malherbe, University of Toronto, Canada Andishe Moshirvaziri, University of Toronto, Canada Aliakbar Eski, University of Toronto, Canada Steve Dallas, Toronto Electric, Canada Feisal Hurzook, Arcx Inc., Canada Olivier Trescases, University of Toronto, Canada

Performance Evaluation of a High-Speed High-Power Switched Reluctance Motor Drive .. 1337 Haoding Li, McMaster University, Canada Earl Fairall, McMaster University, Canada Berker Bilgin, McMaster University, Canada Ali Emadi, McMaster University, Canada

New Compact, High Performance 7th Generation IGBT Module with Direct Liquid Cooling for EV/HEV Inverters ..................................................................................................... 1343 Khalid Hussein, Mitsubishi Electric Corp., Japan Mikio Ishihara, Mitsubishi Electric Corp., Japan Noboru Miyamoto, Mitsubishi Electric Corp., Japan Yosuke Nakata, Mitsubishi Electric Corp., Japan Toshiya Nakano, Mitsubishi Electric Corp., Japan John Donlon, Powerex, Inc., United States Eric Motto, Powerex, Inc., United States

A Hybrid-PWM based DC-Link Voltage Balancing Algorithm for a 3-Level Neutral-Point-Clamped (NPC) DC/AC Traction Inverter Drive ........................................................................ 1347 Abhijit Choudhury, Concordia University, Canada Pragasen Pillay, Concordia University, Canada Sheldon S. Williamson, University of Ontario-Institute of Technology, Canada

A Novel Vehicular Integrated Power System Realized with Multi-Port Series AC Link Converter ............................................................................................................................. 1353 Babak Farhangi, Texas A&M University, United States Hamid A. Toliyat, Texas A&M University, United States

A Topological Evaluation of Isolated DC/DC Converters for Auxiliary Power Modules in Electrified Vehicle Applications ................................................................................................. 1360 Ruoyu Hou, McMaster University, Canada Pierre Magne, McMaster University, Canada Berker Bilgin, McMaster University, Canada Ali Emadi, McMaster University, Canada

A Novel Design and Performance Characterization of a Very High Current Low Voltage DC-DC Converter for Application in Micro and Mild Hybrid Vehicles .................................... 1367 Anuradha Ogale, University of Wisconsin, Madison, United States Bulent Sarlioglu, University of Wisconsin, Madison, United States Yang Wang, Johnson Controls Inc., United States

Session T28: WBG Power Device Based Applications Location: Room 218/219 March 19, 2015 8:30 - 11:20 Session Chairs: Jin Wang, Ohio State University

Yifeng Wu, Transphorm, Inc.

Advanced Induction Heating Appliances using High-Voltage GaN Gate Injection Transistors ................................................................................................................... 1375 Hector Sarnago, Universidad de Zaragoza, Spain O. Lucia, Universidad de Zaragoza, Spain J.M. Burdío, Universidad de Zaragoza, Spain

Design and Implementation of Planar Inductors for Low Voltage GaN-based Power Converters ....................................................................................................................... 1381 Luke L. Jenkins, Auburn University, United States Jeffrey M. Aggas, Auburn University, United States Benjamin K. Rhea, Auburn University, United States William E. Abell, Auburn University, United States Chistopher G. Wilson, Auburn University, United States Robert N. Dean, Auburn University, United States

GaN FET based CubeSat Electrical Power System .................................................................. 1388 Shikhar Singh, IBM, United States Ashish Shrivastav, North Carolina State University, United States Subhashish Bhattacharya, North Carolina State University, United States

Medium Voltage Power Converter Design and Demonstration using 15 kV SiC N-IGBTs ... 1396 Arun Kadavelugu, North Carolina State University, United States Krishna Mainali, North Carolina State University, United States Dhaval Patel, North Carolina State University, United States Sachin Madhusoodhanan, North Carolina State University, United States Awneesh Tripathi, North Carolina State University, United States Kamalesh Hatua, Indian Institute of Technology Madras, India Subhashish Bhattacharya, North Carolina State University, United States Sei-Hyung Ryu, Cree Inc., United States David Grider, Cree Inc., United States Scott Leslie, Powerex, Inc., United States

Fast Tracking Electrosurgical Generator using GaN Switches .............................................. 1404 Scott Jensen, University of Colorado, Boulder, United States Dragan Maksimovic, University of Colorado, Boulder, United States Daniel Friedrichs, Covidien Surgical Solutions, United States James Gilbert, Covidien Surgical Solutions, United States

Enhancement Mode Gallium Nitride Transistor Reliability ..................................................... 1409 Rob Strittmatter, Efficient Power Conversion Corporation, United States Chunhua Zhou, Efficient Power Conversion Corporation, United States Alex Lidow, Efficient Power Conversion Corporation, United States Yanping Ma, Efficient Power Conversion Corporation, United States

Two Phase Interleaved ISOP Connected High Step Down Ratio Phase Shift Full Bridge DC/DC Converter with GaN FETs .............................................................................................. 1414 Yutian Cui, University of Tennessee, United States Weimin Zhang, University of Tennessee, United States Leon M. Tolbert, University of Tennessee, United States Daniel J. Costinett, University of Tennessee, United States Fred Wang, University of Tennessee, United States Benjamin J. Blalock, University of Tennessee, United States

Session T29: Resonant and Soft-Switching DC-DC Converters Location: Room 213A March 19, 2015 14:00 - 17:30 Session Chairs: Bulent Sarlioglu, University of Wisconsin, Madison

Xin Zhou, Maxim Integrated

Efficiency Optimization of LLC Resonant Converters Operating in Wide Input- and/or Output-Voltage Range by On-the-Fly Topology-Morphing Control ........................................ 1420 Milan M. Jovanović, Delta Products Corporation, United States Brian T. Irving, Delta Products Corporation, United States

Secondary-Side Phase-Shift-Controlled High Step-Up Hybrid Resonant Converter with Voltage Multiplier for High Efficiency PV Applications ........................................................... 1428 Hongfei Wu, Nanjing University of Aeronautics and Astronautics, China Tian Xia, Nanjing University of Aeronautics and Astronautics, China Yan Xing, Nanjing University of Aeronautics and Astronautics, China Peng Xu, Nanjing University of Aeronautics and Astronautics, China Haibing Hu, Nanjing University of Aeronautics and Astronautics, China Zhuoran Zhang, Nanjing University of Aeronautics and Astronautics, China

The Third Harmonics Current Injection Scheme for LLC Topology to Reduce the RMS of the Output Current ...................................................................................................................... 1435 Ren Ren, Nanjing University of Aeronautics and Astronautics, China Fanghua Zhang, Nanjing University of Aeronautics and Astronautics, China Zhiyuan Shen, Nanjing University of Aeronautics and Astronautics, China Shuo Liu, Nanjing University of Aeronautics and Astronautics, China

Impedance Control Network Resonant DC-DC Converter for Wide-Range High-Efficiency Operation .......................................................................................................... 1440 Jie Lu, University of Colorado, Boulder, United States David J. Perreault, Massachusetts Institute of Technology, United States Khurram K. Afridi, University of Colorado, Boulder, United States

Charge Current Control for LLC Resonant Converter ............................................................. 1448 Hangseok Choi, Fairchild Semiconductor, United States

Series-Resonant Converter with Reduced-Frequency-Range Control ................................... 1453 Yungtaek Jang, Delta Products Corporation, United States Milan M. Jovanović, Delta Products Corporation, United States Juan M. Ruiz, Delta Products Corporation, United States Gang Liu, Fudan University / Delta Power Electronics, China

A Novel Active-Current-Sharing Method for Interleaved Resonant Converters .................... 1461 Yungtaek Jang, Delta Products Corporation, United States Milan M. Jovanović, Delta Products Corporation, United States Juan M. Ruiz, Delta Products Corporation, United States Misha Kumar, Delta Products Corporation, United States Gang Liu, Fudan University / Delta Power Electronics, China

Fourth Order L3C Resonant Converter for Wide Output Voltage Regulation ........................ 1467 Navid Shafiei, University of British Columbia, Canada Martin Ordonez, University of British Columbia, Canada Chris Botting, Delta-Q Technologies Corp., Canada Marian Craciun, Delta-Q Technologies Corp., Canada Murray Edington, Delta-Q Technologies Corp., Canada

A 1.2 MHz, 25 V to 100 V GaN-based Resonant Dickson Switched-Capacitor Converter with 1011 W/in3 (61.7 kW/L) Power Density .............................................................................. 1472 Benjamin B. Macy, University of Illinois, Urbana-Champaign, United States Yutian Lei, University of Illinois, Urbana-Champaign, United States Robert C.N. Pilawa-Podgurski, University of Illinois, Urbana-Champaign, United States

Session T30: Power Converter Control Location: Room 213BC March 19, 2015 14:00 - 17:30 Session Chairs: Bilal Akin, University of Texas, Dallas

Mahshid Amirabadi, University of Illinois, Chicago

Harmonics Mitigation of Dead Time Effects in PWM Converters using a Repetitive Controller ................................................................................................................... 1479 Yongheng Yang, Aalborg University, Denmark Keliang Zhou, University of Glasgow, United Kingdom Huai Wang, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark

Implementation of Parabolic Current Control for Dual-Carrier PWM ..................................... 1487 Lanhua Zhang, Virginia Polytechnic Institute and State University, United States Jason Dominic, Virginia Polytechnic Institute and State University, United States Bin Gu, Virginia Polytechnic Institute and State University, United States Baifeng Chen, Virginia Polytechnic Institute and State University, United States Cong Zheng, Virginia Polytechnic Institute and State University, United States Jih-Sheng Lai, Virginia Polytechnic Institute and State University, United States

Oversampled Dead-Beat Current Controller for Voltage Source Converters ........................ 1493 Simone Buso, Università di Padova, Italy Tommaso Caldognetto, Università di Padova, Italy Danilo Iglesias Brandao, Universidade Estadual de Campinas, Brazil

Analysis and Compensation of Dead-Time Effect Considering Parasitic Capacitance and Ripple Current ................................................................................................ 1501 Chengmin Li, Zhejiang University, China Yunjie Gu, Zhejiang University, China Wuhua Li, Zhejiang University, China Xiangning He, Zhejiang University, China Zuyi Dong, Shanghai Electric, China Guodong Chen, Shanghai Electric, China Chengbin Ma, Shanghai Electric, China Luhua Zhang, Shanghai Electric, China

Optimizing Efficiency and Performance for Single-Phase Photovoltaic Inverter with Dual-Half Bridge Converter ........................................................................................................ 1507 Yuzhi Zhang, University of Arkansas, United States Janviere Umuhoza, University of Arkansas, United States Haoyan Liu, University of Arkansas, United States Chris Farnell, University of Arkansas, United States Alan Mantooth, University of Arkansas, United States

Model-Predictive Control to Realize the Switching-Cycle Capacitor Voltage Control for the Modular Multilevel Converters ............................................................................................ 1512 Jun Wang, Virginia Polytechnic Institute and State University, United States Rolando Burgos, Virginia Polytechnic Institute and State University, United States Dushan Boroyevich, Virginia Polytechnic Institute and State University, United States

Improvement of Control-Law Derivation for D-Σ Digital Controlled Three-Phase Four-Wire Inverter ................................................................................................................................ 1520 T.-F. Wu, National Tsing Hua University, Taiwan L.-C. Lin, National Tsing Hua University, Taiwan P.-H. Lin, National Tsing Hua University, Taiwan Y.-H. Chen, National Tsing Hua University, Taiwan Y.-R. Chang, Institute of Nuclear Energy Research, Taiwan

Characteristic Analysis and Experimental Verification of a Novel Capacitor Voltage Control Strategy for Three-Phase MMC-DSTATCOM ............................................................... 1528 Chen Xu, Huazhong University of Science and Technology, China Ke Dai, Huazhong University of Science and Technology, China Yong Kang, Huazhong University of Science and Technology, China Cong Liu, State Grid Hunan Electric Power Corporation, China

Vector based Dead-Time Compensation for a Three-Level T-Type Converter ...................... 1534 Xiong Li, University of Texas, Dallas, United States Serkan Dusmez, University of Texas, Dallas, United States Bilal Akin, University of Texas, Dallas, United States Kaushik Rajashekara, University of Texas, Dallas, United States

Session T31: Inverter Control II Location: Room 213D March 19, 2015 14:00 - 17:30 Session Chairs: Keith Corzine, Clemson

Dimitri Torregrossa, École Polytechnique Fédérale de Lausanne

Hybrid Position Controller for an Indirect Field-Oriented Induction Motor Drive ................. 1541 Antonio B. de Souza Jr., Universidade Federal do Ceará, Brazil Tobias R. Fernandes Neto, Universidade Federal do Ceará, Brazil Dalton de A. Honório, Universidade Federal do Ceará, Brazil Luiz Henrique S.C. Barreto, Universidade Federal do Ceará, Brazil Laurinda L.N. dos Reis, Universidade Federal do Ceará, Brazil

A New Sensor-Less Position Estimation Method for a Nine-Phase Interior Permanent Magnet Machine using a High Frequency Injection in a Non-Torque Generating Circuit .... 1548 Mehdi Ramezani, Tennessee Technological University, United States Olorunfemi Ojo, Tennessee Technological University, United States

A Modulation Strategy to Control the Matrix Converter under Unbalanced Input Voltage Conditions ..................................................................................................................... 1556 Jaya Deepti Dasika, Halliburton Energy Services, United States Maryam Saeedifard, Georgia Institute of Technology, United States

An Optimized Control Strategy for the Modular Multilevel Converter based on Space Vector Modulation ....................................................................................................................... 1564 Yi Deng, Georgia Institute of Technology, United States Maryam Saeedifard, Georgia Institute of Technology, United States Ronald G. Harley, Georgia Institute of Technology, United States

DSP-based Sensorless Speed Control Drive System for Two-Phase Synchronous Motors .................................................................................................................. 1570 Saleh Ziaeinejad, Washington State University, United States Younes Sangsefidi, Washington State University, United States Ali Mehrizi-Sani, Washington State University, United States Abbas Shoulaie, Iran University of Science and Technology, Iran

A Robust V/F based Sensorless MTPA Control Strategy for IPM Drives ............................... 1575 Zhuangyao Tang, University of Texas, Dallas, United States Bilal Akin, University of Texas, Dallas, United States

A New SVPWM for Phase Currents Reconstruction of Three-Phase Three-Level T-Type Converters ...................................................................................................................... 1582 Xiong Li, University of Texas, Dallas, United States Serkan Dusmez, University of Texas, Dallas, United States Bilal Akin, University of Texas, Dallas, United States Kaushik Rajashekara, University of Texas, Dallas, United States

Unbalanced Selective Harmonic Elimination for Fault-Tolerant Operation of Three Phase Multilevel Cascaded H-Bridge Inverters ........................................................................ 1589 Mohsen Aleenejad, Southern Illinois University, Carbondale, United States Parvin Moamaei, Southern Illinois University, Carbondale, United States Hamid Mahmoudi, Southern Illinois University, Carbondale, United States Reza Ahmadi, Southern Illinois University, Carbondale, United States

An Improved Nearest-Level Modulation Method for the Modular Multilevel Converter ........ 1595 Yi Deng, Georgia Institute of Technology, United States Maryam Saeedifard, Georgia Institute of Technology, United States Ronald G. Harley, Georgia Institute of Technology, United States

Session T32: Wireless Power Transfer Location: Room 217A March 19, 2015 14:00 - 17:30 Session Chairs: Juan Rivas, Stanford University

Sheldon Williamson, University of Ontario Institute of Technology

Wireless Phase – Locked Loop Control for Inductive Power Transfer Systems ................... 1601 Eleni Gati, National Technical University of Athens, Greece Georgios Kampitsis, National Technical University of Athens, Greece Ioannis Stavropoulos, National Technical University of Athens, Greece Stavros Papathanassiou, National Technical University of Athens, Greece Stefanos Manias, National Technical University of Athens, Greece

The ZVS Voltage-Mode Class-D Amplifier, an eGaN® FET-Enabled Topology for Highly Resonant Wireless Energy Transfer ......................................................................................... 1608 Michael A. de Rooij, Efficient Power Conversion Corporation, United States

Wireless Charging Power Control for HESS through Receiver Side Voltage Control .......... 1614 Toshiyuki Hiramatsu, University of Tokyo, Japan Xiaoliang Huang, University of Tokyo, Japan Masaki Kato, University of Tokyo, Japan Takehiro Imura, University of Tokyo, Japan Yoichi Hori, University of Tokyo, Japan

Phase-Shift and Amplitude Control for an Active Rectifier to Maximize the Efficiency and Extracted Power of a Wireless Power Transfer System .......................................................... 1620 Andreas Berger, Johannes Kepler University Linz, Austria Matteo Agostinelli, Infineon Technologies Austria AG, Austria Sanna Vesti, Infineon Technologies Austria AG, Austria Jesús Á. Oliver, Universidad Politécnica de Madrid, Spain José A. Cobos, Universidad Politécnica de Madrid, Spain Mario Huemer, Johannes Kepler University Linz, Austria

Output Current Characterization of Parallel-Series/Series Compensated Resonant Converter for Contactless Power Transfer ............................................................................... 1625 Jia Hou, Nanjing University of Aeronautics and Astronautics, China Qianhong Chen, Nanjing University of Aeronautics and Astronautics, China Siu-Chung Wong, Hong Kong Polytechnic University, China Xiaoyong Ren, Nanjing University of Aeronautics and Astronautics, China Xinbo Ruan, Nanjing University of Aeronautics and Astronautics, China

Extended-Range Two-Coil Adaptively Reconfigurable Wireless Power Transfer System ... 1630 Zhigang Dang, University of Alabama, United States Jaber A. Abu Qahouq, University of Alabama, United States

An Inductive Wireless Charger for Electric Vehicle by using LLC Resonance with Matrix Ferrite Core Group ...................................................................................................................... 1637 Hung-I Hsieh, National Chiayi University, Taiwan Ting-Hsiung Huang, Chung Yuan Christian University, Taiwan Sheng-Fang Shih, National Chiayi University, Taiwan

Elimination Method for the Transmission Efficiency Valley of Death in Laterally Misaligned Wireless Power Transfer Systems ......................................................................... 1644 Zhigang Dang, University of Alabama, United States Jaber A. Abu Qahouq, University of Alabama, United States

Wireless Power Transfer System with an Asymmetric 4-Coil Resonator for Electric Vehicle Battery Chagers ............................................................................................................. 1650 Sangcheol Moon, Fairchild Semiconductor, Korea, South Gun-Woo Moon, KAIST, Korea, South

Session T33: Utility & Mixed Applications of Power Electronics Location: Room 217BC March 19, 2015 14:00 - 17:30 Session Chairs: Paul Schimel, International Rectifier

Omer Onar, Oak Ridge National Laboratory

A Detailed Power Loss Analysis of Modular Multilevel Converter ......................................... 1658 Feyzullah Ertürk, Middle East Technical University, Turkey Ahmet M. Hava, Middle East Technical University, Turkey

A New High Efficient Transformerless Inverter for Single Phase Grid-Tied Photovoltaic System with Reactive Power Control ........................................................................................ 1666 Monirul Islam, University of Malaya, Malaysia S. Mekhilef, University of Malaya, Malaysia

Research on Fast Open-Loop Phase Locking Scheme for Three-Phase Unbalanced Grid . 1672 Liansong Xiong, Xi'an Jiaotong University, China Fang Zhuo, Xi'an Jiaotong University, China Xiaokang Liu, Xi'an Jiaotong University, China Minghua Zhu, Xi'an Jiaotong University, China Ying Chen, Xi'an Jiaotong University, China Feng Wang, Xi'an Jiaotong University, China

An OCC-APF Control Strategy for Unbalanced Grid Conditions ............................................ 1677 Alberto S. Lock, Universidade Federal da Paraíba, Brazil Edison R.C. da Silva, Universidade Federal da Paraíba, Brazil Darlan A. Fernandes, Universidade Federal da Paraíba, Brazil M. Elbuluk, University of Akron, United States

A Crossed Pack-to-Cell Equalizer based on Quasi-Resonant LC Converter with Adaptive Fuzzy Logic Equalization Control for Series-Connected Lithium-Ion Battery Strings .......... 1692 Yunlong Shang, Shandong University, China Chenghui Zhang, Shandong University, China Naxin Cui, Shandong University, China Josep M. Guerrero, Aalborg University, Denmark Kai Sun, Tsinghua University, China

A Modified Two Switched-Inductors Quasi Z-Source Inverter ................................................ 1700 Aboelkasim Bakeer, Aswan University, Egypt Mohamed A. Ismeil, Aswan University, Egypt Mohamed Orabi, Aswan University, Egypt

A Bridgeless BHB ZVS-PWM AC-AC Converter for High-Frequency Induction Heating Applications and Non-Smoothed DC-Link Characteristics ..................................................... 1707 Tomokazu Mishima, Kobe University, Japan Yuki Nakagawa, Kobe University, Japan Mutsuo Nakaoka, Kyungnam University, Korea, South

Investigation of Time-Varying Magnetic Field in Thyristor Rectifiers of 19kA in Chlor-Alkali Industry ............................................................................................................................. 1714 Siamak Shirmohammadi, Chonbuk National University, Korea, South Yongsug Suh, Chonbuk National University, Korea, South

A High Power Density Dual-Buck Full-Bridge Inverter based on Carrier Phase-Shifted SPWM Control ............................................................................................................................. 1685 Tong Su, Nanjing University of Aeronautics and Astronautics, China Fanghua Zhang, Nanjing University of Aeronautics and Astronautics, China Jianghua Xie, Nanjing University of Aeronautics and Astronautics, China Wuji Meng, Nanjing University of Aeronautics and Astronautics, China Jinlong Wang, Nanjing University of Aeronautics and Astronautics, China

Session T34: Photvoltaics Location: Room 217D March 19, 2015 14:00 - 17:30 Session Chairs: Brandon Pierquet, Tesla Motors

Haoyu Wang, Shanghai Tech University

A PEF based Control for Single-Phase Multifunctional SECS with Adaptive DC Link Structure for PCC Voltage Variations ....................................................................................... 1722 Chinmay Jain, Indian Institute of Technology Delhi, India Bhim Singh, Indian Institute of Technology Delhi, India

A Capacitance Minimization Control Strategy for Single-Phase PV Quasi-Z- Source Inverter ............................................................................................................................ 1730 Yan Zhou, Ford Motor Company, United States Hongbo Li, Florida State University, United States Hui Li, Florida State University, United States Xinchun Lin, Huazhong University of Science and Technology, China

Multi-Phase Smart Converter for PV System ............................................................................ 1736 Zhongsheng Cao, Virginia Polytechnic Institute and State University, United States Qiang Li, Virginia Polytechnic Institute and State University, United States Fred C. Lee, Virginia Polytechnic Institute and State University, United States

The New Family of High Step Ratio Modular Multilevel DC-DC Converters .......................... 1743 Xiaotian Zhang, Imperial College London, United Kingdom Timothy C. Green, Imperial College London, United Kingdom

A New Discrete-in-Time Extremum Seeking based Technique for Maximum Power Point Tracking of Photovoltaic Systems ............................................................................................ 1751 Reza Ahmadi, Southern Illinois University, Carbondale, United States Hassan Zargarzadeh, Southeast Missouri State University, United States

A Dual-Input Full-Bridge Current-Source Isolated DC/DC Converter based on Quasi-Switched-Capacitor Circuit for Photovoltaic Systems with Energy Storage ......................... 1757 Feng Guo, Ohio State University, United States Lixing Fu, Ohio State University, United States He Li, Ohio State University, United States Mohammed Alsolami, Ohio State University, United States Xuan Zhang, Ohio State University, United States Jin Wang, Ohio State University, United States Jie Zhang, Hubei University of Technology, China

Hybrid Pulsewidth Modulated Single-Phase Quasi-Z-Source Grid-Tie Photovoltaic Power System ............................................................................................................................. 1763 Yushan Liu, Texas A&M University at Qatar, Qatar Haitham Abu-Rub, Texas A&M University at Qatar, Qatar Baoming Ge, Texas A&M University, United States

Modeling and Control of a Three-Port DC-DC Converter for PV-Battery Systems ................ 1768 Jianwu Zeng, University of Nebraska, Lincoln, United States Wei Qiao, University of Nebraska, Lincoln, United States Liyan Qu, University of Nebraska, Lincoln, United States

A Self-Reconfiguration Control Regarding Recovery Effect to Improve the Discharge Efficiency in the Distributed Battery Energy Storage System ................................................ 1774 Yong-Yong Cai, Nanjing University of Aeronautics and Astronautics, China Zhiliang Zhang, Nanjing University of Aeronautics and Astronautics, China Yue Zhang, Jiangsu Electric Power Company / Nanjing Power Supply Company, China Yan-Fei Liu, Queen’s University, Canada

Session T35: Grid and Microgrid Interfaces Location: Room 218/219 March 19, 2015 14:00 - 17:30 Session Chairs: Fernando Briz, University of Oviedo, Spain

Haihua Zhou, International Rectifier

Harmonic Interaction Analysis in Grid Connected Converter using Harmonic State Space (HSS) Modeling ................................................................................................................ 1779 Junbum Kwon, Aalborg University, Denmark Xiongfei Wang, Aalborg University, Denmark Claus Leth Bak, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark

A Constant Duty Cycle Control, Single-Phase Inverter Design for Distributed Static Series Compensators ................................................................................................................. 1787 Alexander Brissette, University of Colorado, Boulder, United States Anderson Hoke, University of Colorado, Boulder, United States Dragan Maksimović, University of Colorado, Boulder, United States

Fractionally Rated Transformer-Less Unified Power Flow Controllers for Interconnecting Synchronous AC Grids ............................................................................................................... 1795 Deepak Gunasekaran, Michigan State University, United States Shuitao Yang, Michigan State University, United States Fang Zheng Peng, Michigan State University, United States

Current Control of Grid Converters Connected with Series AC Capacitor ............................ 1800 Xiongfei Wang, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark Poh Chiang Loh, Aalborg University, Denmark Ying Pang, KK Wind Solutions a/s, Denmark

Control and Implementation of Converter based AC Transmission Line Emulation ............ 1807 Bo Liu, University of Tennessee, United States Sheng Zheng, University of Tennessee, United States Yiwei Ma, University of Tennessee, United States Fred Wang, University of Tennessee, United States Leon M. Tolbert, University of Tennessee, United States

An Accurate Power-Sharing Control Method based on Circulating-Current Power Model for Voltage-Source-Inverter Parallel System ............................................................................ 1815 Mingzhi Gao, Zhejiang University, China Canhui Zhang, Zhejiang University, China Maohang Qiu, Zhejiang University, China Weiheng Li, Zhejiang University, China Min Chen, Zhejiang University, China Zhaoming Qian, Zhejiang University, China

Double Synchronous Frame Current Regulation of Distributed Generation Systems under Unbalanced Voltage Conditions without Sequence Current Separation .................... 1822 R. Kabiri, RMIT University, Australia D.G. Holmes, RMIT University, Australia B.P. McGrath, RMIT University, Australia

Harmonic Analysis and Practical Implementation of a Two-Phase Microgrid System ......... 1830 M. Alibeik, Indiana University-Purdue University Indianapolis, United States E.C. Dos Santos Jr., Indiana University-Purdue University Indianapolis, United States Y. Yang, Aalborg University, Denmark X. Wang, Aalborg University, Denmark F. Blaabjerg, Aalborg University, Denmark

Self-Disciplined Stabilization of DC Microgrids by Passivity-based Control ........................ 1838 Yunjie Gu, Zhejiang University, China Wenjuan Zheng, Shanghai Marine Equipment Research Institute, China Wuhua Li, Zhejiang University, China Xiangning He, Zhejiang University, China

Session D1: AC-DC Converters Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Nathan Weise, University of Maine

Daniel Costinett, University of Tennessee

A Single-Stage Three-Phase AC/DC Converter with Y-Δ Three-Phase Transformer ............ 1845 Ling Gu, Nanjing University of Aeronautics and Astronautics, China Ke Jin, Nanjing University of Aeronautics and Astronautics, China

Inhibiting Mains Current Distortion for SWISS Rectifier – a Three-Phase Buck-Type Harmonic Current Injection PFC Converter .............................................................................. 1850 Ruirui Chen, FSP-Powerland Technology Inc., China Yuan Yao, FSP-Powerland Technology Inc., China Le Zhao, FSP-Powerland Technology Inc., China Ming Xu, Xi'an Jiaotong University, China

Analysis, Control and Design of a Long-Lifetime AC-DC Bus Converter within a Nanogrid ................................................................................................................................... 1855 Hao Wu, Hong Kong Polytechnic University, Hong Kong Siu-Chung Wong, Hong Kong Polytechnic University, Hong Kong C.K. Tse, Hong Kong Polytechnic University, Hong Kong Qianhong Chen, Nanjing University of Aeronautics and Astronautics, China

Performance Comparison of Three-Step and Six-Step PWM in Average-Current-Controlled Three-Phase Six-Switch Boost PFC Rectifier ........................................................ 1861 Laszlo Huber, Delta Products Corporation, United States Misha Kumar, Delta Products Corporation, United States Milan M. Jovanović, Delta Products Corporation, United States

Optimum Design on the Single-Stage Forward-flyback PFC Converter with Two Different QR Controls ................................................................................................................. 1869 Jiangsong Li, Hangzhou Dianzi University, China Xiaogao Xie, Hangzhou Dianzi University, China Kunsheng Peng, Hangzhou Dianzi University, China Chen Zhao, Hangzhou Dianzi University, China

A Novel Matrix based Isolated Three Phase AC-DC Converter with Reduced Switching Losses ........................................................................................................................ 1875 Amit K. Singh, National University of Singapore, Singapore Pritam Das, National University of Singapore, Singapore S.K. Panda, National University of Singapore, Singapore

A Novel Control Scheme of Three-Phase Single-Switch DCM Boost PFC Converter ........... 1881 Kai Yao, Nanjing University of Science and Technology, China Qingsai Meng, Nanjing University of Science and Technology, China Wenbin Hu, Nanjing University of Science and Technology, China Weijie Tang, Nanjing University of Science and Technology, China Jianguo Lyu, Nanjing University of Science and Technology, China

Variable Frequency and Constant Frequency Modulation Techniques for GaN based MHz H-Bridge PFC ...................................................................................................................... 1889 Nidhi Haryani, Virginia Polytechnic Institute and State University, United States Rolando Burgos, Virginia Polytechnic Institute and State University, United States Dushan Boroyevich, Virginia Polytechnic Institute and State University, United States

A Power Supply Topology Operating at Highly Discontinuous Input Voltages for Two-Wire Connected Control Devices in Digital Load-Side Transmission (DLT) Systems for Intelligent Lighting ...................................................................................................................... 1897 Lukas Lohaus, Rheinisch-Westfälische Technische Hochschule Aachen, Germany Arne Rossius, Rheinisch-Westfälische Technische Hochschule Aachen, Germany Ralf Wunderlich, Rheinisch-Westfälische Technische Hochschule Aachen, Germany Stefan Heinen, Rheinisch-Westfälische Technische Hochschule Aachen, Germany

Zero Voltage Switching Differential Inverters ........................................................................... 1905 Behnam Koushki, Queen's University, Canada Alireza Safaee, Queen's University, Canada Praveen Jain, Queen's University, Canada Alireza Bakhshai, Queen's University, Canada

Characterization and Evaluation of 600 V Range Devices for Active Power Factor Correction in Boundary and Continuous Conduction Modes ................................................. 1911 Juan C. Hernandez, Danmarks Tekniske Universitet, Denmark Lars P. Petersen, Danmarks Tekniske Universitet, Denmark Michael A.E. Andersen, Danmarks Tekniske Universitet, Denmark

Multi-Mode Controlled Push-Pull Boost Power Factor Corrector ........................................... 1917 Chung-Yi Lin, Virginia Polytechnic Institute and State University / Flextronics Power, United States Jih-Sheng Lai, Virginia Polytechnic Institute and State University, United States Yu-Kang Lo, Lite-On Technology Corp., Taiwan Huang-Jen Chiu, National Taiwan University of Science and Technology, Taiwan Cheng-Yen Yang, National Taiwan University of Science and Technology, Taiwan Yu-Chen Liu, Virginia Polytechnic Institute and State University / National Taiwan University of Science

and Technology, United States

New Way to Regulate DC Link Voltage for Adaptive Travel Adaptor Applications ............... 1924 Jason Guo, Fairchild Semiconductor, United States

Session D2: DC-DC Converters I Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Dave Freeman, Texas Instruments

Haihua Zhou, International Rectifier

Adaptive-on-Time Control Technique for Output Ripple Reduction and Light-Load Efficiency Enhancement in Low-Power Switched-Capacitor DC-DC Regulators .................. 1930 Zhe Hua, University of Texas, Dallas, United States Hoi Lee, University of Texas, Dallas, United States

A Single-Stage Three-Port Boost Converter with High Voltage Gain based on the Bidirectional Version of the Three-State Switching Cell ......................................................... 1934 Diego B.S. Alves, Universidade Federal do Ceará, Brazil Paulo P. Praça, Universidade Federal do Ceará, Brazil Demercil S. Oliveira Jr., Universidade Federal do Ceará, Brazil Luiz H.S.C. Barreto, Universidade Federal do Ceará, Brazil Luiz C.G. de Freitas, Universidade Federal de Uberlândia, Brazil

Research and Realization of a Novel Active Common-Mode EMI Filter ................................. 1941 Xinli Chang, Xi'an Jiaotong University, China Wenjie Chen, Xi'an Jiaotong University, China Yuehong Yang, Xi'an Jiaotong University, China Kangping Wang, Xi'an Jiaotong University, China Xu Yang, Xi'an Jiaotong University, China

Digital Multiphase Constant On-Time Regulator Supporting Energy Proportional Computing ............................................................................................................. 1946 A. Zafarana, STMicroelectronics, Italy O. Zambetti, STMicroelectronics, Italy G. Lingua, STMicroelectronics, Italy S. Saggini, Università degli Studi di Udine, Italy

A High Step-Down Non-Isolated Bus Converter with Partial Power Conversion based on Synchronous LLC Resonant Converter ................................................................... 1950 Liqun Chen, Nanjing University of Aeronautics and Astronautics, China Hongfei Wu, Nanjing University of Aeronautics and Astronautics, China Peng Xu, Nanjing University of Aeronautics and Astronautics, China Haibing Hu, Nanjing University of Aeronautics and Astronautics, China Chengan Wan, Beijing Spacecrafts, China

A Novel Ide Control to Improve Light Load Efficiency for a Full-Bridge DC/DC Converter ......................................................................................................................... 1956 Sean Xu, Texas Instruments Inc., United States Jason Wang, Texas Instruments Inc., China

A High-Frequency Resonant Gate Driver for Enhancement-Mode GaN Power Devices ...... 1961 Yu Long, University of Tennessee, United States Weimin Zhang, University of Tennessee, United States Daniel Costinett, University of Tennessee, United States Benjamin B. Blalock, University of Tennessee, United States Luke L. Jenkins, Auburn University, United States

A Single Stage 54V to 1.8V Multi-Phase Cascaded Buck Voltage Regulator Module ........... 1966 K.K. Leong, Infineon Technologies Austria AG, Austria G. Deboy, Infineon Technologies Austria AG, Austria K. Krischan, Technische Universität Graz, Austria A. Muetze, Technische Universität Graz, Austria

Self-Oscillating Galvanic Isolated Bidirectional Very High Frequency DC-DC Converter ........................................................................................................................ 1974 Jeppe A. Pedersen, Danmarks Tekniske Universitet, Denmark Mickey P. Madsen, Danmarks Tekniske Universitet, Denmark Arnold Knott, Danmarks Tekniske Universitet, Denmark Michael A.E. Andersen, Danmarks Tekniske Universitet, Denmark

A New Family of GaN Transistors for Highly Efficient High Frequency DC-DC Converters ...................................................................................................................... 1979 David Reusch, Efficient Power Conversion Corporation, United States Johan Strydom, Efficient Power Conversion Corporation, United States Alex Lidow, Efficient Power Conversion Corporation, United States

Predictive Adaptive Method for Synchronous Rectification ................................................... 1986 Alberto Iorio, STMicroelectronics, Italy Alberto Bianco, STMicroelectronics, Italy Maurizio Foresta, STMicroelectronics, Italy Giuseppe Scappatura, STMicroelectronics, Italy Claudio Adragna, STMicroelectronics, Italy Silvio DeSimone, STMicroelectronics, Italy

Bi-Directional Piezoelectric Transformer based Converter for High-Voltage Capacitive Applications .............................................................................................................. 1993 Martin S. Rødgaard, Noliac A/S, Denmark

Dynamical Modeling of Power Converters with Power Semiconductor Filter ....................... 1999 Wing-To Fan, City University of Hong Kong, Hong Kong Kuen-Faat Yuen, City University of Hong Kong, Hong Kong Henry Shu-Hung Chung, City University of Hong Kong, Hong Kong

A 100V Reconfigurable Synchronous Gate Driver with Comparator-based Dynamic Dead-Time Control for High-Voltage High-Frequency DC-DC Converters ............................. 2007 Lin Cong, University of Texas, Dallas, United States Jing Xue, University of Texas, Dallas, United States Hoi Lee, University of Texas, Dallas, United States

Design and Analysis of an Ultra-High Efficiency Phase Shifted Full Bridge GaN Converter ............................................................................................................................. 2011 Rakesh Ramachandran, University of Southern Denmark, Denmark Morten Nymand, University of Southern Denmark, Denmark

A High Efficiency Wireless DC-DC Converter .......................................................................... 2017 Andrei Savu, Rompower International S.R.L., Romania Adrian Lita, Rompower International S.R.L., Romania Ionel Dan Jitaru, Rompower Energy Systems Inc., United States

The Cost-Efficient, Common-Ground, Non-Isolated Three-Port Converter Deduced from the Single-Inductor Dual-Output (SIDO) Topology .................................................................. 2020 Pengcheng Zhang, Huazhong University of Science and Technology, China Yu Chen, Huazhong University of Science and Technology, China Zhou Lu, Huazhong University of Science and Technology, China Yong Kang, Huazhong University of Science and Technology, China

Session D3: DC-DC Converters II Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Akshay Kumar Rathore, National University of Singapore

William G. Dunford, University of British Columbia

Output Filter Design in High-Efficiency Wide-Bandwidth Multi-Phase Buck Envelope Amplifiers ................................................................................................................... 2026 Yuanzhe Zhang, University of Colorado, Boulder, United States Miguel Rodríguez, University of Colorado, Boulder, United States Dragan Maksimović, University of Colorado, Boulder, United States

Extending the Operational Limits of the Push-Pull Converter with SiC Devices and an Active Energy Recovery Clamp Circuit ..................................................................................... 2033 Bret Whitaker, Arkansas Power Electronics International Inc., United States Daniel Martin, Arkansas Power Electronics International Inc., United States Edgar Cilio, Arkansas Power Electronics International Inc., United States

An Extra-Low-Frequency RS-SCALDO Technique: A New Approach to Design Voltage Regulator Modules ...................................................................................................................... 2039 Thilini Wickramasinghe, University of Waikato, New Zealand Nihal Kularatna, University of Waikato, New Zealand D. Alistair Steyn-Ross, University of Waikato, New Zealand

High-Efficiency Ultracapacitor Charger using a Soft-Switching Full-Bridge DC-DC Converter ........................................................................................................................ 2044 Min-Kwon Yang, Chonbuk National University, Korea, South Hyoung-Sup Cho, Chonbuk National University, Korea, South Seung-Jae Lee, Chonbuk National University, Korea, South Woo-Young Choi, Chonbuk National University, Korea, South

High-Efficiency Low-Cost Soft-Swtiching DC-DC Converter for EV On-Board Battery Chargers ......................................................................................................................... 2050 Min-Kwon Yang, Chonbuk National University, Korea, South Hyoung-Sup Cho, Chonbuk National University, Korea, South Seung-Jae Lee, Chonbuk National University, Korea, South Woo-Young Choi, Chonbuk National University, Korea, South

A Novel Full Load Range ZVS DC-DC Full-Bridge Converter with Natural Hold-Up Time Operation ............................................................................................................................ 2056 Pritam Das, National University of Singapore, Singapore Majid Pahlevaninezhad, Queen's University, Canada

A Soft-Switching Multi-Phase Converter with Coupled Inductors and Switch-Time- Delay Control ............................................................................................................................... 2063 Guofeng Zhu, Tongji University, China Ting Qian, Tongji University, China Brad Lehman, Northeastern University, United States

A Three-Port DC-DC Converter with Low Frequency Current Ripple Reduction Technique ................................................................................................................. 2069 Zhong Chen, Nanjing University of Aeronautics and Astronautics, China Qunfang Wu, Nanjing University of Aeronautics and Astronautics, China Mengnan Li, Nanjing University of Aeronautics and Astronautics, China Yaming Xu, Nanjing University of Aeronautics and Astronautics, China Qin Wang, Nanjing University of Aeronautics and Astronautics, China

MHz GaN-based Interleaved CRM Bi-Directional Buck/Boost Converter with Coupled Inductor ........................................................................................................................ 2075 Xiucheng Huang, Virginia Polytechnic Institute and State University, United States Fred C. Lee, Virginia Polytechnic Institute and State University, United States Qiang Li, Virginia Polytechnic Institute and State University, United States Weijing Du, Virginia Polytechnic Institute and State University, United States

Efficiency Impact of MOSFET Output Junction Capacitance on a High Step Down Ratio Phase Shift Full Bridge DC/DC Converter ....................................................................... 2083 Yutian Cui, University of Tennessee, United States Weimin Zhang, University of Tennessee, United States Leon M. Tolbert, University of Tennessee, United States Daniel J. Costinett, University of Tennessee, United States Fred Wang, University of Tennessee, United States Benjamin J. Blalock, University of Tennessee, United States

A Multilevel VR Implementation and MIMO Control Scheme for Vertically-Stacked Microprocessor Cores ................................................................................................................ 2090 Christopher Schaef, Dartmouth College, United States Jason T. Stauth, Dartmouth College, United States

Voltage Regulation and Efficiency Optimization in a 100 MHz Series Resonant DC-DC Converter ........................................................................................................................ 2097 Alihossein Sepahvand, University of Colorado, Boulder, United States Luca Scandola, Università di Padova / Infineon Technologies Italia S.r.l., Italy Yuanzhe Zhang, University of Colorado, Boulder, United States Dragan Maksimović, University of Colorado, Boulder, United States

Bidirectional DC-DC Converter using Secondary LLC Resonant Tank .................................. 2104 Eun-Soo Kim, Jeonju University, Korea, South Jun-Hyoung Park, Jeonju University, Korea, South Jong-Sung Joo, Jeonju University, Korea, South Seung-Min Lee, KACO new energy Inc., Korea, South Kwangseob Kim, KACO new energy Inc., Korea, South Young-Su Kong, National Forensic Service, Korea, South

Optimal Design of a Redundant High Current DC/DC Converter ............................................ 2109 Chenhao Nan, Arizona State University, United States Sitthipong Angkititrakul, Intersil Corporation, United States Zhixiang Liang, Intersil Corporation, United States

Resonant Converter Building Blocks for High Power, High Voltage Applications ............... 2116 M.S. Agamy, GE Global Research Center, United States M.E. Dame, GE Global Research Center, United States J. Dai, GE Global Research Center, United States X. Li, GE Global Research Center, United States P.M. Cioffi, General Electric Global Research Center, United States R.L. Sellick, GE Global Research Center, United States R.K. Gupta, First Solar, United States

Session D4: Power Electronics for Utility Interface I Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Babak Parkhideh, University of North Carolina, Charlotte

Jing Xu, ABB

Identification of Resonances in Parallel Connected Grid Inverters with LC- and LCL-Filters ................................................................................................................................... 2122 Raimo Juntunen, Lappeenranta University of Technology, Finland Juhamatti Korhonen, Lappeenranta University of Technology, Finland Tatu Musikka, Lappeenranta University of Technology, Finland Liudmila Smirnova, Lappeenranta University of Technology, Finland Olli Pyrhönen, Lappeenranta University of Technology, Finland Pertti Silventoinen, Lappeenranta University of Technology, Finland

Eliminating the Influence of Capacitor Voltage Ripple on Current Control for Grid-Connected Modular Multilevel Converter ......................................................................... 2128 Deliang Wu, Huazhong University of Science and Technology, China Li Peng, Huazhong University of Science and Technology, China

Smooth Mode Transition of a DC Bus Voltage Controlled PV Inverter using a Novel Phase Locked Loop Method ...................................................................................................... 2133 Partha Pratim Das, Indian Institute of Technology Kharagpur, India Souvik Chattopadhyay, Indian Institute of Technology Kharagpur, India

Modulation and Control of a High Performance Hybrid Cascade H-Bridge Seven-Level Active Power Filter with Star Configuration ............................................................................. 2141 Zhong Chen, Nanjing University of Aeronautics and Astronautics, China Yaming Xu, Nanjing University of Aeronautics and Astronautics, China Zhihui Wang, Nanjing University of Aeronautics and Astronautics, China Mengnan Li, Nanjing University of Aeronautics and Astronautics, China

Power-Weighting-based Multiple Input and Multiple Output Control Strategy for Single-Phase PV Cascaded H-Bridge Multilevel Grid-Connected Inverter ........................................ 2148 Qingyun Huang, North Carolina State University, United States Mengqi Wang, North Carolina State University, United States Wensong Yu, North Carolina State University, United States Alex Q. Huang, North Carolina State University, United States

PLL-Less Robust Active and Reactive Power Controller for Single Phase Grid-Connected Inverter with LCL Filter ........................................................................................... 2154 Xiao Li, Texas A&M University, United States Robert S. Balog, Texas A&M University, United States

A Real-Time Selective Harmonic Compensation (SHC) based on Asymmetric Switching Angle Modulation and Current Feedback Control for Cascaded Modular Multilevel Inverters ....................................................................................................... 2160 Hui Zhao, University of Florida, United States Shuo Wang, University of Florida, United States

Indirect Thermal Control for Improved Reliability of Modular Multilevel Converter by Utilizing Circulating Current ...................................................................................................... 2167 Mohammad Kazem Bakhshizadeh, University of Tehran, Iran Ke Ma, Aalborg University, Denmark Poh Chiang Loh, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark

Startup Schemes for Modular Multilevel Converter under Different Load Conditions ......... 2174 Xiaojie Shi, University of Tennessee, United States Bo Liu, University of Tennessee, United States Zhiqiang Wang, University of Tennessee, United States Yalong Li, University of Tennessee, United States Leon M. Tolbert, University of Tennessee, United States Fred Wang, University of Tennessee, United States

Session D5: Power Electronics for Utility Interface II Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Dong Cao, North Dakota State University

Davide Giacomini, International Rectifier

Development of a Power-Hardware-in-the-Loop Application – Power Grid Emulator by using 'Voltage Source Inverter Cumulation' ............................................................................. 2181 Guangye Si, Technische Universität München, Germany Julien Cordier, Technische Universität München, Germany Ralph Kennel, Technische Universität München, Germany

STATCOM-based Virtual Inertia Control for Wind Power Generation .................................... 2189 Yang Liu, Michigan State University, United States Shuitao Yang, Michigan State University, United States Deepak Gunasekaran, Michigan State University, United States Fang Zheng Peng, Michigan State University, United States

Planar Common Mode Inductor Design for EMI Filter ............................................................. 2195 Yu Zhang, Xidian University, China Feng Zheng, Xidian University, China Yuchen Xie, Xidian University, China Yanpeng Qiao, Xidian University, China Gengzhai Peng, Xidian University, China

A Family of Single-Phase Transformerless Inverters with Asymmetric Phase-Legs ........... 2200 Baifeng Chen, Virginia Polytechnic Institute and State University, United States Jih-Sheng Lai, Virginia Polytechnic Institute and State University, United States

Power Factor Correction of LED Drivers with Third Port Energy Storage ............................. 2206 Saeed Anwar, University of Akron, United States Mohamed O. Badawy, University of Akron, United States Yilmaz Sozer, University of Akron, United States

Session D6: Power Electronics for Utility Interface III Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Ali Bazzi, University of Connecticut

Julia Zhang, Oregon State University

FPGA based DSC-PLL for Grid Harmonics and Voltage Unbalance Effect Elimination ....... 2212 Jongmin Jo, Chungnam National University, Korea, South Byung-Moon Han, Myongji University, Korea, South Hanju Cha, Chungnam National University, Korea, South

Open-Circuit Fault Diagnosis in Neutral-Point-Clamped Active Power Filters based on Instant Voltage Error with No Additional Sensors ................................................................... 2217 L.M.A. Caseiro, Universidade de Coimbra, Portugal A.M.S. Mendes, Universidade de Coimbra, Portugal P.M.A.F. Lopes, Universidade de Coimbra, Portugal

Protected Control Method for Voltage Source Converter (VSC) in AC/DC Hybrid Grid under Grid Unbalanced Faults ................................................................................................... 2223 Minglin Zhu, Shanghai Jiao Tong University, China Lijun Hang, Shanghai Jiao Tong University, China Guojie Li, Shanghai Jiao Tong University, China

Subharmonic Power Line Carrier (PLC) based Island Detection ............................................ 2230 Scott Perlenfein, Northern Power Plains Technologies, United States Michael Ropp, Northern Power Plains Technologies, United States Jason Neely, Sandia National Laboratories, United States Sigifredo Gonzalez, Sandia National Laboratories, United States Lee Rashkin, Sandia National Laboratories, United States

A Unique Active Anti-Islanding Protection for a Quasi-Z-Source based Power Conditioning System .................................................................................................................. 2237 M. Trabelsi, Texas A&M University at Qatar, Qatar H. Abu-Rub, Texas A&M University at Qatar, Qatar

Current Commutation in a Medium Voltage Hybrid DC Circuit Breaker using 15 kV Vacuum Switch and SiC Devices ............................................................................................... 2244 Chang Peng, North Carolina State University, United States Alex Q. Huang, North Carolina State University, United States Xiaoqing Song, North Carolina State University, United States

Session D7: Drives and Inverters I Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Jonathan Kimball, Missouri University of Science and Technology

Tianjun Fu, John Deere

Efficiency Evaluation on a CoolMos Switching and IGBT Conducting Multilevel Inverter ... 2251 Alexander Anthon, Danmarks Tekniske Universitet, Denmark Zhe Zhang, Danmarks Tekniske Universitet, Denmark Michael A.E. Andersen, Danmarks Tekniske Universitet, Denmark Toke Franke, Danfoss Silicon Power GmbH, Germany

Predictive Control Method for Load Current of Single-Phase Voltage Source Inverters ..... 2256 Jeihoon Baek, Korea Railroad Research Institute, Korea, South Su-en Kim, Chung-Ang University, Korea, South Sangshin Kwak, Chung-Ang University, Korea, South

Analysis of a Modulation Technique Applied to FC Inverter for THD Reduction .................. 2261 Davi R. Joca, Universidade Federal do Ceará, Brazil Allan U. Barbosa, Universidade Federal do Ceará, Brazil Demercil S. Oliveira Jr., Universidade Federal do Ceará, Brazil Paulo P. Praça, Universidade Federal do Ceará, Brazil Luiz H.S.C. Barreto, Universidade Federal do Ceará, Brazil Ranoyca N.A.L. Silva, Universidade Federal do Piauí, Brazil

Active Thermal Protection and Lifetime Extension in 3L-NPC-Inverter in the Low Modulation Range ....................................................................................................................... 2269 The-Minh Phan, Universität Siegen, Germany Gernot J. Riedel, ABB Switzerland Ltd., Switzerland Nikolaos Oikonomou, ABB Switzerland Ltd., Switzerland Mario Pacas, Universität Siegen, Germany

A FFT based Harmonic Calculation on Voltage Source Inverters with DPWM ...................... N/A Hong Zheng, University of Electronic Science and Technology of China, China Kai Li, University of Electronic Science and Technology of China, China Gang Tang, University of Electronic Science and Technology of China, China Zheng-Feng Liang, University of Electronic Science and Technology of China, China

Time Optimal, Loss Minimizing Current Trajectory for Interior Permanent Magnet Synchronous Machines in Overmodulation ............................................................................. 2283 Wei Xu, Ford Motor Company, United States Fazal U. Syed, Ford Motor Company, United States

Modular Multilevel Converter with Full-Bridge Submodules and Improved Low-Frequency Ripple Suppression for Medium-Voltage Drives ........................................... 2288 Liqun He, Huazhong University of Science and Technology, China Kai Zhang, Huazhong University of Science and Technology, China Jian Xiong, Huazhong University of Science and Technology, China Shengfang Fan, Huazhong University of Science and Technology, China Yaosuo Xue, Siemens Corporation, United States

An Inrush Current Mitigation Approach of the Output Transformer for Inverter .................. 2295 Zhi Chen, Huazhong University of Science and Technology, China Xuejun Pei, Huazhong University of Science and Technology, China Li Peng, Huazhong University of Science and Technology, China Shunchao Wang, Huazhong University of Science and Technology, China

Analog Control of AC Link Universal Power Converters: The Key to Very High Frequency AC Link Conversion Systems ................................................................................. 2301 Mahshid Amirabadi, University of Illinois, Chicago, United States

A New Zero Voltage Switching Three-Level NPC Inverter ....................................................... 2309 Ning He, Zhejiang University, China Yenan Chen, Zhejiang University, China Dehong Xu, Zhejiang University, China Ke Ma, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark

An Isolated Bi-Directional Soft-Switched DC-AC Converter using Wide-Band-Gap Devices with Novel Carrier-based Unipolar Modulation Technique under Synchronous Rectification ......................................................................................................... 2317 Mengqi Wang, North Carolina State University, United States Qingyun Huang, North Carolina State University, United States Wensong Yu, North Carolina State University, United States Alex Q. Huang, North Carolina State University, United States

Evaluation of Design Variables in Thompson Coil based Operating Mechanisms for Ultra-Fast Opening in Hybrid AC and DC Circuit Breakers ..................................................... 2325 Chang Peng, North Carolina State University, United States Iqbal Husain, North Carolina State University, United States Alex Q. Huang, North Carolina State University, United States

A Startup Scheme for Zero-Voltage-Switching PV Inverter ..................................................... 2333 Jiangbei Xi, Zhejiang University, China Yenan Chen, Zhejiang University, China Min Chen, Zhejiang University, China Pingping Chen, Zhejiang University, China Dehong Xu, Zhejiang University, China

Session D8: Drives and Inverters II Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Maryam Saeedifard, Georgia Tech

Kent Wanner, John Deere

Low-Order Harmonics Analysis and Suppression Method for 400Hz Single-phase VSI ...... 2341 Guoqing Yuan, Huazhong University of Science and Technology, China Siqin Luo, Huazhong University of Science and Technology, China Shiying Zhou, Huazhong University of Science and Technology, China Xudong Zou, Huazhong University of Science and Technology, China Kaifeng Zou, Naval Aeronautical Engineering Institute, China

A Resonant Current Control of an Open-End Winding Induction Motor Fed by an Indirect Matrix Converter ......................................................................................................................... 2346 Javier Riedemann, University of Bío-Bío, Chile Rubén Peña, University of Concepción, Chile Ramón Blasco-Gimenez, Universitat Politècnica de València, Spain

Calculation of Conduction Power Losses in Double Flying Capacitor Multicell Converter ...................................................................................................................... 2351 Arash Khoshkbar Sadigh, University of California, Irvine, United States Vahid Dargahi, Clemson University, United States Keith Corzine, Clemson University, United States

Analytic Determination of Conduction Power Losses in Flying Capacitor Multicell Power Converter ......................................................................................................................... 2358 Vahid Dargahi, Clemson University, United States Arash Khoshkbar-Sadigh, University of California, Irvine, United States Keith Corzine, Clemson University, United States

Hybrid Double Flying Capacitor Multicell Converter for Renewable Energy Integration ..... 2365 Vahid Dargahi, Clemson University, United States Arash Khoshkbar Sadigh, University of California, Irvine, United States Ganesh Kumar Venayagamoorthy, Clemson University, United States Keith Corzine, Clemson University, United States

Isolated Bias Power Supply for IGBT Gate Drives using the Fly-Buck Converter ................ 2373 Xiang Fang, Texas Instruments Inc., United States Yu Meng, Texas Instruments Inc., United States

Hybrid Multilevel Inverter System for Open-End Winding (OEW) Induction Motor Drive based on Double-Star Chopper-Cells (DSCC) Converter ........................................................ 2380 Italo Roger F.M.P. da Silva, Universidade Federal de Campina Grande, Brazil Cursino B. Jacobina, Universidade Federal de Campina Grande, Brazil Alexandre C. Oliveira, Universidade Federal de Campina Grande, Brazil Gregory A. de Almeida Carlos, Instituto Federal de Alagoas, Brazil Maurício B. de R. Corrêa, Universidade Federal de Campina Grande, Brazil

A Class of Modular Multilevel Motor Drives with Design Flexibility and Reduced Components Number ................................................................................................................. 2387 Jiyao Wang, University of Wisconsin, Madison, United States Yehui Han, University of Wisconsin, Madison, United States

Switching Rule based on Min-Projection Strategy for Single Phase DC-AC Converter ....... 2394 Wenxun Xiao, South China University of Technology, China Bo Zhang, South China University of Technology, China

Digital Notch Filter based Active Damping for LCL Filters ..................................................... 2399 Wenli Yao, Northwestern Polytechnical University, China Yongheng Yang, Aalborg University, Denmark Xiaobin Zhang, Northwestern Polytechnical University, China Frede Blaabjerg, Aalborg University, Denmark

Smooth Switching Controllers for Reliable Induction Motor Drive Operation after Sensor Failures ........................................................................................................................... 2407 Michael Stettenbenz, University of Connecticut, United States Yiqi Liu, University of Connecticut, United States Ali Bazzi, University of Connecticut, United States

Session D9: High Performance Devices and Components Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: H. Zhang, Transphorm

Jason Kulick, Indiana Integrated Circuits, LLC

An Energy-based Method for the Assessment of Battery and Battery-Ultracapacitor Energy Storage Systems in Pulse-Load Applications ............................................................. 2412 Yiou He, Massachusetts Institute of Technology, United States Richard Y. Zhang, Massachusetts Institute of Technology, United States John G. Kassakian, Massachusetts Institute of Technology, United States

Compact Power Module for Integrated Traction Inverters with Highest Power Density ...... 2420 Ole Mühlfeld, Danfoss Silicon Power GmbH, Germany Klaus Olesen, Danfoss Silicon Power GmbH, Germany Lars Paulsen, Danfoss Silicon Power GmbH, Germany Rüdiger Bredtmann, Danfoss Silicon Power GmbH, Germany

Energy Analysis and Performance Evaluation of GaN Cascode Switches in an Inverter Leg Configuration ....................................................................................................................... 2424 Luis Carlos Murillo Carrasco, University of Manchester, United Kingdom Andrew J. Forsyth, University of Manchester, United Kingdom

Design of DC-Side Stray Inductance for High Speed Switching Inverter based on Normalization Procedure ............................................................................................................ 2432 Masato Ando, Tokyo Metropolitan University, Japan Keiji Wada, Tokyo Metropolitan University, Japan

A New DC Arc Fault Detection Method using DC System Component Modeling and Analysis in Low Frequency Range ............................................................................................ 2438 Gab-Su Seo, Seoul National University, Korea, South Katherine A. Kim, Ulsan National Institute of Science and Technology, Korea, South Kyu-Chan Lee, Smart Power Supply Co., Ltd., Korea, South Kyung-Jun Lee, Seoul National University, Korea, South Bo-Hyung Cho, Seoul National University, Korea, South

Overview of 1.2kV – 2.2kV SiC MOSFETs Targeted for Industrial Power Conversion Applications ............................................................................................................ 2445 Alexander Bolotnikov, General Electric Global Research Center, United States Peter Losee, General Electric Global Research Center, United States Alfred Permuy, General Electric Global Research Center, United States Greg Dunne, General Electric Global Research Center, United States Stacey Kennerly, General Electric Global Research Center, United States Brian Rowden, General Electric Global Research Center, United States Jeffrey Nasadoski, General Electric Global Research Center, United States Maja Harfman-Todorovic, General Electric Global Research Center, United States Ravisekhar Raju, General Electric Global Research Center, United States Fengfeng Tao, General Electric Global Research Center, United States Philip Cioffi, General Electric Global Research Center, United States Frank J. Mueller, General Electric Global Research Center, United States Ljubisa Stevanovic, General Electric Global Research Center, United States

Gain and Phase (Gap) Measurement Device ............................................................................ 2453 Sameer Arora, University of Texas, Dallas, United States Poras T. Balsara, University of Texas, Dallas, United States Dinesh K. Bhatia, University of Texas, Dallas, United States Robert J. Taylor, Cirasys Inc., United States Bob Hunt, Cirasys Inc., United States

Reliability and Efficiency Improvement in LLC Resonant Converter by Adopting GaN Transistor ............................................................................................................................ 2459 Tong Sun, Nanjing University of Aeronautics and Astronautics, China Xiaoyong Ren, Nanjing University of Aeronautics and Astronautics, China Qianhong Chen, Nanjing University of Aeronautics and Astronautics, China Zhiliang Zhang, Nanjing University of Aeronautics and Astronautics, China Xinbo Ruan, Nanjing University of Aeronautics and Astronautics, China

New High Efficiency Transfer Mold Module with Parallel IGBT and Super Junction MOSFET ....................................................................................................................... 2464 John F. Donlon, Powerex Inc., United States Eric R. Motto, Powerex, Inc., United States Masahiro Kato, Mitsubishi Electric Co., Japan Masataka Shiramizu, Mitsubishi Electric Co., Japan Tomofumi Tanaka, Mitsubishi Electric Co., Japan

Class E Resonant Inverter Optimized Design for High Frequency (MHz) Operation using eGaN HEMTs ............................................................................................................................... 2469 Kang Peng, University of South Carolina, United States Enrico Santi, University of South Carolina, United States

High-Voltage GaN HEMT Evaluation in Micro-Inverter Applications ...................................... 2474 Chung-Yi Lin, Virginia Polytechnic Institute and State University/Flextronics Power, United States Yu-Chen Liu, Virginia Polytechnic Institute and State University/National Taiwan University of Science

and Technology, United States Jih-Sheng Lai, Virginia Polytechnic Institute and State University, United States Baifeng Chen, Virginia Polytechnic Institute and State University, United States

Acoustic Emission Caused by the Failure of a Power Transistor .......................................... 2481 Tommi J. Kärkkäinen, Lappeenranta University of Technology, Finland Joonas P. Talvitie, Lappeenranta University of Technology, Finland Mikko Kuisma, Lappeenranta University of Technology, Finland Pertti Silventoinen, Lappeenranta University of Technology, Finland Elena Mengotti, ABB Switzerland Ltd., Switzerland

A Novel Gate Charge Measurement Method for High-Power Devices .................................... 2485 Atsushi Mikata, Keysight Technologies International Japan, Japan

Fabrication and Testing of 3500V/15A SiC JFET based Power Module for High-Voltage, High-Frequency Applications .................................................................................................... 2488 Sizhe Chen, Zhejiang University, China Junwei He, Zhejiang University, China Hengyu Wang, Zhejiang University, China Kuang Sheng, Zhejiang University, China

Sensing IGBT Junction Temperature using Gate Drive Output Transient Properties .......... 2492 He Niu, University of Wisconsin, Madison, United States Robert D. Lorenz, University of Wisconsin, Madison, United States

Reliability-Oriented IGBT Selection for High Power Converters ............................................ 2500 Jun Wang, Virginia Polytechnic Institute and State University, United States Vahid Najmi, Virginia Polytechnic Institute and State University, United States Rolando Burgos, Virginia Polytechnic Institute and State University, United States Dushan Boroyevich, Virginia Polytechnic Institute and State University, United States

Session D10: Magnetic Devices and Components II Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Ed Herbert, PSMA Magnetics Committee

Stephen M. Carlsen, Raytheon

A Simplified Capacitive Model for Center-Tapped Multi-Windings Transformers ................ 2504 Fermin A. Holguín, Universidad Politécnica de Madrid, Spain Rafael Asensi, Universidad Politécnica de Madrid, Spain Roberto Prieto, Universidad Politécnica de Madrid, Spain José A. Cobos, Universidad Politécnica de Madrid, Spain

Minimization of Vias in PCB Implementations of Planar Coils with Litz-Wire Structure ...... 2512 I. Lope, Universidad de Zaragoza, Spain J. Acero, Universidad de Zaragoza, Spain J. Serrano, Universidad de Zaragoza, Spain C. Carretero, Universidad de Zaragoza, Spain R. Alonso, Universidad de Zaragoza, Spain J.M. Burdío, Universidad de Zaragoza, Spain

Coil Structure Optimization Method for Improving Coupling Coefficient of Wireless Power Transfer ............................................................................................................................ 2518 Hongchang Li, Xi'an Jiaotong University, China Kangping Wang, Xi'an Jiaotong University, China Lang Huang, Xi'an Jiaotong University, China Jie Li, Xi'an Jiaotong University, China Xu Yang, Xi'an Jiaotong University, China

Qualification of Soft-Magnetic Shielding Materials used in Inductive Wireless Power Transmission Systems ............................................................................................................... 2522 C.P. Dick, Fachhochschule Köln, Germany E. Waffenschmidt, Fachhochschule Köln, Germany A. Krause, Fachhochschule Köln, Germany Christian Polak, Vacuumschmelze GmbH & Co. KG, Germany

Current Measurement Method for Characterization of Fast Switching Power Semiconductors with Silicon Steel Current Transformer ........................................................ 2527 Helong Li, Aalborg University, Denmark Szymon Bęczkowski, Aalborg University, Denmark Stig Munk-Nielsen, Aalborg University, Denmark Kaiyuan Lu, Aalborg University, Denmark Qian Wu, Aalborg University, Denmark

Design Methodology and Optimization of a Medium Frequency Transformer for High Power DC-DC Applications ........................................................................................................ 2532 M.A. Bahmani, Chalmers University of Technology, Sweden T. Thiringer, Chalmers University of Technology, Sweden M. Kharezy, SP Technical Research Institute of Sweden, Sweden

Toward Flexible Ferromagnetic-Core Inductors for Wearable Electronic Converters .......... 2540 Yichao Tang, University of Maryland, College Park, United States Bruce Lee, University of Maryland, College Park, United States Mert Vural, University of Maryland, College Park, United States Peter Kofinas, University of Maryland, College Park, United States Alireza Khaligh, University of Maryland, College Park, United States

Session D11: Power System Solutions Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: John Vigars, Allegro Microsystems

Ernie Parker, Crane Aerospace & Electronics

Investigation of Vehicle Immunity Against RF Noise .............................................................. 2546 Chih-Lun Wang, Ford Motor Company, United States Chingchi Chen, Ford Motor Company, United States

Inductive Power Transfer for Auxiliary Power of Medium Voltage Converters ..................... 2551 Bernhard Wunsch, ABB Switzerland Ltd., Switzerland Jonathan Bradshaw, ABB Switzerland Ltd., Switzerland Ivica Stevanović, Federal Office of Communications, Switzerland Francisco Canales, ABB Switzerland Ltd., Switzerland Wim Van-Der-Merwe, ABB Switzerland Ltd., Switzerland Didier Cottet, ABB Switzerland Ltd., Switzerland

Low-Inductance Snubber Arrays for High-Power, High-Bandwidth Switch- Mode Amplifiers .......................................................................................................................... 2557 Daniel J. Rogers, Cardiff University, United Kingdom Padmavathi Lakshmanan, Cardiff University, United Kingdom

A Hybrid Modulation Method for Lifetime Extension of Power Semiconductors in Wind Power Converters ......................................................................................................... 2565 Xiong Du, Chongqing University, China Gaoxian Li, Chongqing University, China Pengju Sun, Chongqing University, China Luowei Zhou, Chongqing University, China Heng-Ming Tai, University of Tulsa, United States

Electro Thermal Stochastic Optimization of a Smart Actuator for an Automotive Application .............................................................................................................. 2571 Florent Robert, EFi Automotive, France Filipe Vinci Dos Santos, Supélec, France Pierre Vidal, Supélec, France Philippe Dessante, Supélec, France

Embedded Structure for a Voltage Clamping Circuit .............................................................. 2577 Weiyi Feng, Delta Electronics, China Lizhi Xu, Delta Electronics, China Weiqiang Zhang, Delta Electronics, China Hongyang Wu, Delta Electronics, China

Isolated 100% PWM Gate Driver with Auxiliary Energy and Bidirectional FM/AM Signal Transmission via Single Transformer ....................................................................................... 2581 Achim Seidel, Hochschule Reutlingen, Germany Marco Costa, Universität Stuttgart, Germany Joachim Joos, Robert Bosch GmbH, Germany Bernhard Wicht, Hochschule Reutlingen, Germany

Microgrid Central Controller Development and Hierarchical Control Implementation in the Intelligent MicroGrid Lab of Aalborg University ................................................................ 2585 Lexuan Meng, Aalborg University, Denmark Mehdi Savaghebi, Aalborg University, Denmark Fabio Andrade, Aalborg University, Denmark Juan C. Vasquez, Aalborg University, Denmark Josep M. Guerrero, Aalborg University, Denmark Moisès Graells, Universitat Politècnica de Catalunya, Spain

Thermal Design of Motor Drives for High Power Density and Long Life in Harsh Environments ................................................................................................................... 2593 I. Josifovic, Technische Universiteit Delft, Netherlands J. Popovic-Gerber, Technische Universiteit Delft, Netherlands J.A. Ferreira, Technische Universiteit Delft, Netherlands U. Drofenik, ABB Switzerland Ltd., Switzerland E. Mengotti, ABB Switzerland Ltd., Switzerland

Session D12: Modeling and Simulation Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Jaber Abu Qahouq, University of Alabama

Sheldon Williamson, University of Ontario Institute of Technology

Small-Signal Modeling of I2 Average Current Mode Control ................................................... 2601 Siyu He, Auburn University, United States John Y. Hung, Auburn University, United States R.M. Nelms, Auburn University, United States

Fault Diagnostic Device for Photovoltaic Panels ..................................................................... 2609 Wenguan Wang, City University of Hong Kong, Hong Kong Alex Chun-For Liu, City University of Hong Kong, Hong Kong Henry Shu-Hung Chung, City University of Hong Kong, Hong Kong Ricky Wing-Hong Lau, City University of Hong Kong, Hong Kong Jun Zhang, Sun Yat-sen University, China Alan Wai-Lun Lo, Chu Hai College of Higher Education, Hong Kong

A Detailed Induction Machine Core Loss Model in the Arbitrary Reference Frame .............. 2617 Yiqi Liu, University of Connecticut, United States Ali M. Bazzi, University of Connecticut, United States

Novel Leakage Current Study Model based on Finite Element Analysis for Photovoltaic Panels .................................................................................................................... 2623 Wenjie Chen, Xi'an Jiaotong University, China Lei Guo, Xi'an Jiaotong University, China Yiming Duan, Xi'an Jiaotong University, China Xu Yang, Xi'an Jiaotong University, China

Magneto-Electro-Mechanical Modeling of Magnetic Actuation Systems ............................... 2628 Ofer Ezra, Ben-Gurion University of the Negev, Israel Mor Mordechai Peretz, Ben-Gurion University of the Negev, Israel

Rapid Control Prototyping for Server Power Supply with High-Resolution PWM ................ 2635 Yu Yonezawa, Fujitsu Laboratories Ltd., Japan Tomotake Sasaki, Fujitsu Laboratories Ltd., Japan Hisato Hosoyama, Fujitsu Advanced Technologies Ltd., Japan Hiroshi Nakao, Fujitsu Laboratories Ltd., Japan Atsushi Manabe, Fujitsu Advanced Technologies Ltd., Japan Junji Kaneko, Fujitsu Laboratories Ltd., Japan Yoshiyasu Nakashima, Fujitsu Laboratories Ltd., Japan Tsugito Maruyama, Tohoku Institute of Technology, Japan

A Novel Stability Analysis Approach based on Describing Function Method using for DC-DC Converters ...................................................................................................................... 2642 Jianing Shang, Beijing Jiaotong University, China Hong Li, Beijing Jiaotong University, China Xiaojie You, Beijing Jiaotong University, China Trillion Q. Zheng, Beijing Jiaotong University, China Shiheng Wang, State Grid Beijing Changping Electric Power Supply, China

Use of Primary-Side Information to Perform Online Estimation of the Secondary-Side Information and Mutual Inductance in Wireless Inductive Link .............................................. 2648 Jeff Po Wa Chow, City University of Hong Kong, Hong Kong Henry Shu-Hung Chung, City University of Hong Kong, Hong Kong

Production Code Generation for Server Power Supply Controller ......................................... 2656 Tomotake Sasaki, Fujitsu Laboratories Ltd., Japan Hisato Hosoyama, Fujitsu Advanced Technologies Ltd., Japan Yu Yonezawa, Fujitsu Laboratories Ltd., Japan Atsushi Manabe, Fujitsu Advanced Technologies Ltd., Japan Kaibin Huang, Nanjing Fujitsu Nanda Software Technology Co., Ltd., China Xin Liu, Nanjing Fujitsu Nanda Software Technology Co., Ltd., China Jincheng Chen, Nanjing Fujitsu Nanda Software Technology Co., Ltd., China Junji Kaneko, Fujitsu Laboratories Ltd., Japan Yoshiyasu Nakashima, Fujitsu Laboratories Ltd., Japan

Stability Modeling of HEV/EV Electric Drives as a Small-Scale Distibuted Power System ............................................................................................................................. 2664 Jun Kikuchi, Ford Motor Company, United States

Generic Modeling of a Self-Commutated Multilevel VSC HVDC System for Power System Stability Studies ................................................................................................. 2672 Christoph Hahn, Friedrich-Alexander-University of Erlangen-Nuremberg, Germany Matthias Burkhardt, Friedrich-Alexander-University of Erlangen-Nuremberg, Germany Anatoli Semerow, Friedrich-Alexander-University of Erlangen-Nuremberg, Germany Matthias Luther, Friedrich-Alexander-University of Erlangen-Nuremberg, Germany Olaf Ruhle, Siemens AG, Germany

Topology Design of Isolated Multiport Converters for Smart DC Distribution Systems ...... 2678 Yajian Tong, University of British Columbia, Canada Juri Jatskevich, University of British Columbia, Canada Ali Davoudi, University of Texas, Arlington, United States

A New Analytical EMC Model of Power Electronics Converters based on Quadripole System: Application to Demonstrate the Mode Decoupling Condition .................................. 2684 A. Ales, Grenoble Institute of Technology, France JL. Schanen, Grenoble Institute of Technology, France J. Roudet, Grenoble Institute of Technology, France D. Moussaoui, École Militaire Polytechnique, Algeria

Generalized Small Signal Modeling of Coupled Inductor, based High Gain, High Efficiency DC-DC Converters ..................................................................................................... 2691 Moumita Das, Indian Institute of Technology Bombay, India Vivek Agarwal, Indian Institute of Technology Bombay, India

3D FEA based Squirrel Cage Rotor Model for Design Tradeoffs and Performance Analysis ................................................................................................................ 2696 Ashfanoor Kabir, North Carolina State University, United States Rajib Mikail, ABB Corporate Research, United States Steven Englebretson, ABB Corporate Research, United States Iqbal Husain, North Carolina State University, United States

Reliability Modeling of Capacitor Bank for Modular Multilevel Converter based on Markov State-Space Model ......................................................................................................... 2703 Vahid Najmi, Virginia Polytechnic Institute and State University, United States Jun Wang, Virginia Polytechnic Institute and State University, United States Rolando Burgos, Virginia Polytechnic Institute and State University, United States Dushan Boroyevich, Virginia Polytechnic Institute and State University, United States

A New Modeling Approach for Modular Multilevel Converter (MMC) in D-Q Frame ............. 2710 Vahid Najmi, Virginia Polytechnic Institute and State University, United States M. Nawaf Nazir, Virginia Polytechnic Institute and State University, United States Rolando Burgos, Virginia Polytechnic Institute and State University, United States

Advanced Controller Design for a Series-Series Compensated Inductive Power Transfer Charging Infrastructure using Asymmetrical Clamped Mode Control .................... 2718 Kunwar Aditya, University of Ontario, Canada Sheldon S. Williamson, University of Ontario, Canada

DQ Reference Frame Modeling and Control of Single-Phase Active Power Decoupling Circuits .................................................................................................................... 2725 Yi Tang, Aalborg University, Denmark Zian Qin, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark Poh Chiang Loh, Aalborg University, Denmark

Instantaneous Thermal Modeling of the DC-Link Capacitor in Photovoltaic Systems ......... 2733 Yongheng Yang, Aalborg University, Denmark Ke Ma, Aalborg University, Denmark Huai Wang, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark

A Novel Dynamic Modeling Method for Wireless Power Transfer Systems .......................... 2740 Hongchang Li, Xi'an Jiaotong University, China Jie Li, Xi'an Jiaotong University, China Lang Huang, Xi'an Jiaotong University, China Kangping Wang, Xi'an Jiaotong University, China Xu Yang, Xi'an Jiaotong University, China

Model Predictive Control of H-Bridge Inverter based on Discrete-Time Model of Equivalent Circuit ....................................................................................................................... 2744 Xuanlyu Wu, Xi'an Jiaotong University, China Guochun Xiao, Xi'an Jiaotong University, China Yong Lu, Xi'an Jiaotong University, China Dapeng Lu, Xi'an Jiaotong University, China Fengwen Chen, Xi'an Jiaotong University, China

Real-Time Simulation based Performance Analysis of Active Filters for Oil Drilling Rigs .. 2750 Saikrihna Kanukollu, Petroleum Institute, U.A.E. Khalifa Al Hosani, Petroleum Institute, U.A.E. Naji Al Sayari, Petroleum Institute, U.A.E. Abdul R. Beig, Petroleum Institute, U.A.E.

D-Q Impedance Specification for Balanced Three-Phase AC Distributed Power System .... 2757 Bo Wen, Virginia Polytechnic Institute and State University, United States Dushan Boroyevich, Virginia Polytechnic Institute and State University, United States Rolando Burgos, Virginia Polytechnic Institute and State University, United States Paolo Mattavelli, Università di Padova, Italy Zhiyu Shen, Virginia Polytechnic Institute and State University, United States

Combinational-Logic-based Traction Inverter Fault Diagnosis .............................................. 2772 Artur Ulatowski, University of Connecticut, United States Ali Bazzi, University of Connecticut, United States

A Comprehensive Analysis of Magnet Defect Faults in Permanent Magnet Synchronous Motors .................................................................................................................. 2779 Mohsen Zafarani, University of Texas, Dallas, United States Taner Goktas, University of Texas, Dallas, United States Bilal Akin, University of Texas, Dallas, United States

Session D13: Control Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Ali Davoudi, University of Texas, Arlington

Pietro Scalia, Texas Instruments

Improving Light Load Efficiency in a Series Capacitor Buck Converter by Uneven Phase Interleaving ...................................................................................................................... 2784 Pradeep S. Shenoy, Texas Instruments Inc., United States Mike Amaro, Texas Instruments Inc., United States

Active Power Sharing in Input-Series-Input-Parallel Output-Series Connected DC/DC Converters ....................................................................................................................... 2790 Yiqing Lian, University of Strathclyde, United Kingdom G.P. Adam, University of Strathclyde, United Kingdom D. Holliday, University of Strathclyde, United Kingdom S.J. Finney, University of Strathclyde, United Kingdom

State-Feedback-with-PI Control for NPC Three-Level Inverter ............................................... 2798 Xin Liu, Huazhong University of Science and Technology, China Xinchun Lin, Huazhong University of Science and Technology, China Zhigang Liang, Huazhong University of Science and Technology, China Yong Kang, Huazhong University of Science and Technology, China

DC Symmetrical Component Method for Analysis and Control of Bipolar LVDC Grid ......... 2802 Yunjie Gu, Zhejiang University, China Yongning Chi, China Electric Power Research Institute, China Yan Li, China Electric Power Research Institute, China Wei Sun, China Electric Power Research Institute, China Wuhua Li, Zhejiang University, China Xiangning He, Zhejiang University, China

Autonomous Hierarchical Control of DC Microgrids with Constant-Power Loads ............... 2808 Mahesh Srinivasan, University of Texas, Austin, United States Alexis Kwasinski, University of Texas, Austin, United States

Small-Signal Modeling for Digital Predictive Current Mode Control in CCM ......................... 2816 Siyu He, Auburn University, United States R.M. Nelms, Auburn University, United States John Y. Hung, Auburn University, United States

Cross-Coupling and Decoupling Techniques in the Current Control of Grid-Connected Voltage Source Converter .......................................................................................................... 2821 Sizhan Zhou, Xi'an Jiaotong University, China Jinjun Liu, Xi'an Jiaotong University, China Linyuan Zhou, Xi'an Jiaotong University, China Hongwei She, Xi'an Jiaotong University, China

A Predictive Control Scheme for a Dual Output Indirect Matrix Converter ........................... 2828 Ozan Gulbudak, University of South Carolina, United States Enrico Santi, University of South Carolina, United States

Dithered Multi-Bit Sigma-Delta Modulator based DPWM for DC-DC Converters .................. 2835 James Mooney, Athlone Institute of Technology, Ireland Mark Halton, University of Limerick, Ireland Petar Iordanov, University of Limerick, Ireland Vincent O'Brien, University of Limerick, Ireland

A Simple DQ Current Controller for Single-Phase Grid-Connected Inverters ....................... 2840 Mohammad Ebrahimi, University of Alberta, Canada S. Ali Khajehoddin, University of Alberta, Canada

A Predictive Nearest Level Control of Modular Multilevel Converter ..................................... 2846 Fei Zhang, McGill University, Canada Geza Joos, McGill University, Canada

750-kW Interleaved Buck Converter DC Supply Control Implementation in a Low-Cost FPGA ........................................................................................................................... 2852 Yusi Liu, University of Arkansas, United States Chris Farnell, University of Arkansas, United States Shamim Ahmed, University of Arkansas, United States Juan Carlos Balda, University of Arkansas, United States H. Alan Mantooth, University of Arkansas, United States

Space Vector Modulation for Single-Phase Transformerless Three-Leg Unified Power Quality Conditioner ..................................................................................................................... 2859 Yong Lu, Xi'an Jiaotong University, China Guochun Xiao, Xi'an Jiaotong University, China Xuanlv Wu, Xi'an Jiaotong University, China Dapeng Lu, Xi'an Jiaotong University, China

A Novel Synchronization Method Designed for Single-Phase Distorted Grid ....................... 2866 Yong Lu, Xi'an Jiaotong University, China Guochun Xiao, Xi'an Jiaotong University, China Longfei Zang, Xi'an Jiaotong University, China Xuanlv Wu, Xi'an Jiaotong University, China Fengwen Chen, Xi'an Jiaotong University, China

Control Strategy for Com-Leg in Single-Phase Transformerless Three-Leg Unified Power Quality Conditioner ..................................................................................................................... 2872 Dapeng Lu, Xi'an Jiaotong University, China Guochun Xiao, Xi'an Jiaotong University, China Yong Lu, Xi'an Jiaotong University, China Fengwen Chen, Xi'an Jiaotong University, China

Multiphase Current Controlled Buck Converter with Energy Recycling Output Impedance Correction Circuit (OICC): Adaptive Voltage Positioning (AVP) and Dynamic Voltage Scaling (DVS) Application ............................................................................ 2877 V. Šviković, Universidad Politécnica de Madrid, Spain J. Cortes, Universidad Politécnica de Madrid, Spain P. Alou, Universidad Politécnica de Madrid, Spain J.A. Oliver, Universidad Politécnica de Madrid, Spain O. García, Universidad Politécnica de Madrid, Spain J.A. Cobos, Universidad Politécnica de Madrid, Spain

Simultaneous PWM Control to Operate the Three-Phase Dual Active Bridge Converter under Soft Switching in the Whole Load Range ...................................................................... 2885 Jun Huang, Xi'an Jiaotong University, China Yue Wang, Xi'an Jiaotong University, China Zhuoqiang Li, Xi'an Jiaotong University, China Yongbin Jiang, Xi'an Jiaotong University, China Wanjun Lei, Xi'an Jiaotong University, China

Design-Oriented Stability Criteria of a v2 Control Compensated with Inductor Current of a Boost Converter for Shipboard Power Systems ................................................................... 2892 Jorge Cortés, Universidad Politécnica de Madrid, Spain Juan C. Jiménez, Drexel University, United States Sachi Jayasuriya, Drexel University, United States Pedro Alou, Universidad Politécnica de Madrid, Spain Chika O. Nwankpa, Drexel University, United States José A. Cobos, Universidad Politécnica de Madrid, Spain

Modeling and Circulating Current Control of MMC .................................................................. 2898 Luis Herrera, Ohio State University, United States Xiu Yao, Ohio State University, United States Jin Wang, Ohio State University, United States

Active Damping of LLCL-Filter Resonance based on LC-Trap Voltage and Capacitor Current Feedback ....................................................................................................................... 2903 Min Huang, Aalborg University, Denmark Xiongfei Wang, Aalborg University, Denmark Poh Chiang Loh, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark

Droop-Free Team-Oriented Control for AC Distribution Systems .......................................... 2911 Vahidreza Nasirian, University of Texas, Arlington, United States Qobad Shafiee, Aalborg University, Denmark Josep M. Guerrero, Aalborg University, Denmark Frank L. Lewis, University of Texas, Arlington, United States Ali Davoudi, University of Texas, Arlington, United States

Session D14: Manufacturing, Quality, and Business Issues Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Bulent Sarlioglu, University of Wisconsin, Madison

Advanced Power Cycling Test for Power Module with On-Line On-State VCE Measurement ............................................................................................................................... 2919 Ui-Min Choi, Aalborg University, Denmark Ionut Trintis, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark Søren Jørgensen, Grundfos Holding A/S, Denmark Morten Liengaard Svarre, Grundfos Holding A/S, Denmark

Nanosilver Preform Assisted Die Attach for High Temperature Applications ....................... 2925 Sayan Seal, University of Arkansas, United States Michael D. Glover, University of Arkansas, United States H. Alan Mantooth, University of Arkansas, United States

Tackling Reliability of Power Module ........................................................................................ 2931 Weikun Jimmy He, Mentor Graphics Corporation, United States Andras Vass-Varnai, Mentor Graphics Corporation, Hungary John Wilson, Mentor Graphics Corporation, United States

Session D15: Renewable Grid Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Babak Nahidmobarakeh, University of Lorraine

Chris Siegl, Fairchild Semiconductor International, Inc.

Evaluation and Testing of Voltage-Controlled Grid-Connected Inverter for High Penetration of Renewable Energy ............................................................................................. 2934 Yawei Wang, Shanghai University of Electric Power, China Jinbin Zhao, Shanghai University of Electric Power, China Jianfeng Dai, Shanghai University of Electric Power, China Haixian Liu, Shanghai University of Electric Power, China Shuuichi Ushiki, Origin Electric Co., Ltd., Japan Masaaki Ohshima, Origin Electric Co., Ltd., Japan

Operation Schemes of Interconnected DC Microgrids through an Isolated Bi-Directional DC-DC Converter ........................................................................................................................ 2940 Moonhyun Lee, Seoul National University, Korea, South Wooin Choi, Seoul National University, Korea, South Hyejin Kim, Seoul National University, Korea, South Bo-Hyung Cho, Seoul National University, Korea, South

A Single-Stage Grid-Connected Flyback Inverter with Power Decoupling Function ............ 2946 Zhong Chen, Nanjing University of Aeronautics and Astronautics, China Mengnan Li, Nanjing University of Aeronautics and Astronautics, China Qunfang Wu, Nanjing University of Aeronautics and Astronautics, China Yaming Xu, Nanjing University of Aeronautics and Astronautics, China

Impact Evaluation of Series DC Arc Faults in DC Microgrids ................................................. 2953 Xiu Yao, Ohio State University, United States Luis Herrera, Ohio State University, United States Jin Wang, Ohio State University, United States

Design of LLCL-Filter for Grid-Connected Converter to Improve Stability and Robustness .......................................................................................................................... 2959 Min Huang, Aalborg University, Denmark Xiongfei Wang, Aalborg University, Denmark Poh Chiang Loh, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark

Multi-Agent-based Distributed State of Charge Balancing Control for Distributed Energy Storage Units in AC Microgrids .................................................................................... 2967 Chendan Li, Aalborg University, Denmark Tomislav Dragicevic, Aalborg University, Denmark Juan C. Vasquez, Aalborg University, Denmark Josep M. Guerrero, Aalborg University, Denmark Ernane A.A. Coelho, Universidade Federal de Uberlândia, Brazil

Session D16: Renewable Wind II Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Ali Mehrizi, Washington State University

Huai Wang, Aalborg University

Harmonic Compensation for Variable Speed DFIG Wind Turbines using Multiple Reference Frame Theory ............................................................................................................ 2974 Jia Li, Clemson University, United States Keith Corzine, Clemson University, United States

Virtual Synchronous Control of Grid-Connected DFIG-based Wind Turbines ...................... 2980 Yangyang Zhao, Tsinghua University, China Jianyun Chai, Tsinghua University, China Xudong Sun, Tsinghua University, China

Closed-Loop Control on PMSG Torque in Direct-Drive Wind Power Generation System without Speed Sensor ................................................................................................................ 2984 Shuying Yang, Hefei University of Technology, China Leilei Guo, Hefei University of Technology, China Liuchen Chang, University of New Brunswick, Canada Xing Zhang, Hefei University of Technology, China Zhen Xie, Hefei University of Technology, China

Virtual Inductance Self-Demagnetization based LVRT Control Strategy for Doubly Fed WTs ....................................................................................................................................... 2988 Shuying Yang, Hefei University of Technology, China Yin Chen, Hefei University of Technology, China Liuchen Chang, University of New Brunswick, Canada Zhen Xie, Hefei University of Technology, China Xing Zhang, Hefei University of Technology, China

Controller Design for TCSC using Observed-State Feedback Method to Damp SSR in DFIG-based Wind Farms ............................................................................................................ 2993 Hossein Ali Mohammadpour, University of South Carolina, United States Jonathan Siegers, University of South Carolina, United States Enrico Santi, University of South Carolina, United States

Session D17: Renewable Circuits II Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Akshay Kumar Rathore, National University of Singapore

Huai Wang, Aalborg University

Analysis and Design of Coupled Inductor for Interleaved Multiphase Three-Level DC-DC Converters ...................................................................................................................... 2999 Mingkai Mu, Virginia Polytechnic Institute and State University, United States Fred C. Lee, Virginia Polytechnic Institute and State University, United States Yang Jiao, Virginia Polytechnic Institute and State University, United States Sizhao Lu, Tsinghua University, China

Power Flow Control of a Dual-Input Interleaved Buck/Boost Converter with Galvanic Isolation for Renewable Energy Systems ................................................................................. 3007 Maria C. Mira, Danmarks Tekniske Universitet, Denmark Zhe Zhang, Danmarks Tekniske Universitet, Denmark Arnold Knott, Danmarks Tekniske Universitet, Denmark Michael A.E. Andersen, Danmarks Tekniske Universitet, Denmark

Application of Wavelet Transform-based Discharging/Charging Voltage Signal Denoising for Advanced Data-Driven SOC Estimator .............................................................. 3013 Jonghoon Kim, Chosun University, Korea, South B.H. Cho, Seoul National University, Korea, South

Asymmetrical Duty-Cycle Control of a Novel Multi-Port CLL Resonant Converter .............. 3019 Kerim Colak, New York University, United States Erdem Asa, New York University, United States Mariusz Bojarski, New York University, United States Dariusz Czarkowski, New York University, United States

A Modular Multilevel Converter with Half-Bridge Submodules for Hybrid Energy Storage Systems Integrating Battery and UltraCapacitor ....................................................... 3025 Feng Guo, NEC Laboratories America, Inc., United States Ratnesh Sharma, NEC Laboratories America, Inc., United States

Sequence Impedance Measurement of Three-Phase Inverters using a Parallel Structure ........................................................................................................................ 3031 Wenchao Cao, University of Tennessee, United States Yiwei Ma, University of Tennessee, United States Xuan Zhang, University of Tennessee, United States Fred Wang, University of Tennessee, United States

Modular Isolated DC-DC Converter with Multi-Limb Transformer for Interfacing of Renewable Energy Sources ....................................................................................................... 3039 Ritwik Chattopadhyay, North Carolina State University, United States Subhashish Bhattacharya, North Carolina State University, United States

Session D18: Renewable PV Systems Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Ali Mehrizi, Washington State University

Liming Liu, ABB

Enhancement of the Extracted Maximum Power of PV Array During Partial Shading using Switched PV-based System ............................................................................................. 3047 Ahmed Elserougi, Texas A&M University at Qatar, Qatar M.S. Diab, Alexandria University, Egypt Ayman Abdel-Khalik, Alexandria University, Egypt Ahmed Massoud, Qatar University, Qatar Shehab Ahmed, Texas A&M University at Qatar, Qatar

Prediction of Bond Wire Fatigue of IGBTs in a PV Inverter under Long-Term Operation .... 3052 Paula Diaz Reigosa, Aalborg University, Denmark Huai Wang, Aalborg University, Denmark Yongheng Yang, Aalborg University, Denmark Frede Blaabjerg, Aalborg University, Denmark

A New Modified Inc-Cond MPPT Technique and its Testing in a Whole PV Simulator under PSC .................................................................................................................................... 3060 Giovanni Cipriani, Università degli Studi di Palermo, Italy Vincenzo Di Dio, Università degli Studi di Palermo, Italy Fabio Genduso, Università degli Studi di Palermo, Italy Rosario Miceli, Università degli Studi di Palermo, Italy Diego La Cascia, Università degli Studi di Palermo, Italy

Maximum Power Point Tracking of Grid Connected Photovoltaic System Employing Model Predictive Control ............................................................................................................ 3067 Mohammad B. Shadmand, Texas A&M University, United States Mostafa Mosa, Texas A&M University at Qatar, Qatar Robert S. Balog, Texas A&M University, United States Haitham Abu Rub, Texas A&M University at Qatar, Qatar

Control Strategies for Solar Panel Companion Inverters ........................................................ 3075 Prasanth Kumar Sahu, University of North Carolina, Charlotte, United States Madhav Manjrekar, University of North Carolina, Charlotte, United States

Analysis of the Series-Connected Distributed Maximum Power Point Tracking PV System ................................................................................................................................... 3083 Cheng-Wei Chen, National Taiwan University, Taiwan Yaow-Ming Chen, National Taiwan University, Taiwan

Session D19: Transportation Power Electronics Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Farborz Musavi, CUI

Jing Xu, ABB

Research on Uninterrupted Power Supply Technology for Auxiliary Winding of Electric Locomotive when Passing Neutral Section .............................................................................. 3089 Yuliang Du, Beijing Jiaotong University, China Trillion Q. Zheng, Beijing Jiaotong University, China Wang Ran, Beijing Jiaotong University, China Ruixiang Hao, Beijing Jiaotong University, China Xiaojie You, Beijing Jiaotong University, China Youmei Liu, Beijing Jiaotong University, China

A High Frequency, High Efficiency GaN HFET based Inductive Power Transfer System .... 3094 Aaron Cai, Nanyang Technological University, Singapore Aaron Pereira, Nanyang Technological University, Singapore Robin Tanzania, Nanyang Technological University, Singapore Yen Kheng Tan, Nanyang Technological University, Singapore Liter Siek, Nanyang Technological University, Singapore

Design and Performance Evaluation of a Digitally Controlled 1 kW Three-Phase Interleaved ZVS Converter for Plug-in EV and HEV Battery Charger ..................................... 3101 Matteo Sucameli, STMicroelectronics, Italy

A Bidirectional Series Resonant Matrix Converter Topology for Electric Vehicle DC Fast Charging ........................................................................................................................ 3109 José Juan Sandoval, Texas A&M University, United States Somasundaram Essakiappan, Texas A&M University, United States Prasad Enjeti, Texas A&M University, United States

Hybrid Sinusoidal-Pulse Charging Strategy for Li-Ion Battery in Electric Vehicle Application ..................................................................................................................... 3117 Sideng Hu, Zhejiang University, China Xiamgming Wang, Zhejiang University, China Ruichi Wang, Zhejiang University, China Jiande Wu, Zhejiang University, China Xiangning He, Zhejiang University, China

Application of Bi-Directional Z-Source in UltraCapacitor-Battery Hybrid Energy Storage System for EV .............................................................................................................................. 3124 Zipeng Liang, Zhejiang University, China Sideng Hu, Zhejiang University, China Yuan Liu, Zhejiang University, China Wuhua Li, Zhejiang University, China Xiangning He, Zhejiang University, China

Drive and Protection Methods for Very High Current Lateral GaN Power Transistors ......... 3128 John Roberts, GaN Systems Inc., Canada Greg Klowak, GaN Systems Inc., Canada Di Chen, GaN Systems Inc., Canada Ahmad Mizan, GaN Systems Inc., Canada

A Hybrid Converter for Energy Management of EV Drives ..................................................... 3132 Teng Hu, Northeast Dianli University, China Lie Xu, Tsinghua University, China Lin Qiu, Tsinghua University, China Yongdong Li, Tsinghua University, China Xuejun Han, Northeast Dianli University, China

A Study of the Self-Coupling Magnetic Resonance Coupled Wireless Power Transfer ....... 3138 Liqing Tong, Fudan University, China Hulong Zeng, Michigan State University, United States Fangzheng Peng, Michigan State University, United States

Implementation and Validation of DQ Current Control of a Bidirectional SiC Single-Phase AC-DC Converter ............................................................................................................. 3143 Arjun Raj Prabu Andhra Sridhar, Marquette University, United States Nathan Weise, Marquette University, United States

A Novel Digital Peak-Current-Mode Self-Sustained Oscillating Control (PCM-SSOC) Technique for a Dual-Active Bridge DC/DC Converter ............................................................ 3150 Majid Pahlevani, Queen's University, Canada Alireza Bakhshai, Queen's University, Canada Praveen Jain, Queen's University, Canada

A Constant Resistance Analysis and Control of Cascaded Buck and Boost Converter for Wireless EV Chargers ................................................................................................................. 3157 Kerim Colak, New York University, United States Mariusz Bojarski, New York University, United States Erdem Asa, New York University, United States Dariusz Czarkowski, New York University, United States

A Partial Power Processing of Battery/Ultra-Capacitor Hybrid Energy Storage System for Electric Vehicles .................................................................................................................... 3162 Mohamed O. Badawy, University of Akron, United States Yilmaz Sozer, University of Akron, United States

Session D20: Power Electronics Applications I Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Pradeep Shenoy, Texas Instruments

Abhijit Pathak, International Rectifier

DSP based Control and Soft Switched Mode Power Conversion Realizes Smart and Portable N-Channel RF Generator for Surgical Ablation ......................................................... 3169 Salman Talebi, Jabil Circuit, Inc., United States Jamie Evans, Jabil Circuit, Inc., United States Ronald Beebe, Jabil Circuit, Inc., United States Thomas Hartranft, Jabil Circuit, Inc., United States David Eckerson, Jabil Circuit, Inc., United States Stephen McSoley, Jabil Circuit, Inc., United States

Used-Battery Management with Integrated Battery Building Block System ......................... 3177 Ye Li, University of Wisconsin, Madison, United States Yehui Han, University of Wisconsin, Madison, United States

The Influence of DC-Link Voltage Control on the Performance of Active Power Filter ........ 3183 Yu Wang, South China University of Technology, China Yunxiang Xie, South China University of Technology, China Xiang Liu, South China University of Technology, China

Design and Experimental Verification of High Boost Energy Recycle Converter for the Energy Conservation in the Development Process of Power Module .................................... 3190 Yun-Sung Kim, Dongahelecomm Corporation, Korea, South Gwi-Chul Park, Dongahelecomm Corporation, Korea, South Jung-Hoon Ahn, Sungkyunkwan University, Korea, South Byoung-Kuk Lee, Sungkyunkwan University, Korea, South

Two-Stage Power Supply based on Double Resonant Tank LLC-DCX for Magnetic Levitation Control System Applications ................................................................................... 3195 Hongbo Ma, Southwest Jiaotong University, China Wenjun Liu, Southwest Jiaotong University, China Jianfei Wang, Southwest Jiaotong University, China Cong Zheng, Virginia Polytechnic Institute and State University, United States Guotao Lu, Southwest Jiaotong University, China

Laminated Busbar Design and Stray Parameter Analysis of Three-Level Converter based on HVIGBT Series Connection ....................................................................................... 3201 Hualong Yu, Tsinghua University, China Zhengming Zhao, Tsinghua University, China Ting Lu, Tsinghua University, China Liqiang Yuan, Tsinghua University, China Shiqi Ji, Tsinghua University, China

An Integrated High Efficiency Ultra-Low Power Single Chip DC/AC Inverter for Driving Liquid Crystal Electro-Optic Lenses ......................................................................................... 3208 Xiaomin Li, North Carolina State University, United States Alex Huang, North Carolina State University, United States

ITER VS Converter Control for Circulation Current and Commutation Failure ..................... 3212 Hyunsik Jo, Chungnam National University, Korea, South Hanju Cha, Chungnam National University, Korea, South

New PWM Technique for Three-to-Five Phase Matrix Converter with High Efficiency and Low THD ...................................................................................................................................... 3217 Mahmoud A. Sayed, South Valley University, Egypt Takaharu Takeshita, Nagoya Institute of Technology, Japan Atif Iqbal, Qatar University, Qatar

A Novel Phase Control of Semi Bridgeless Active Rectifier for Wireless Power Transfer Applications ................................................................................................................. 3225 Erdem Asa, New York University, United States Kerim Colak, New York University, United States Mariusz Bojarski, New York University, United States Dariusz Czarkowski, New York University, United States

High-Performance Control of Paralleled Three-Phase Inverters for Residential Microgrid Architectures based on Online Uninterruptable Power Systems .......................... 3232 Chi Zhang, Aalborg University, Denmark Josep M. Guerrero, Aalborg University, Denmark Juan C. Vasquez, Aalborg University, Denmark Ernane A. Coelho, Aalborg University, Denmark Carsten Seniger, Leaneco A/S, Denmark

Realizing an Integrated System for Residential Energy Harvesting and Management ......... 3240 Yuzhi Zhang, University of Arkansas, United States Janviere Umuhoza, University of Arkansas, United States Haoyan Liu, University of Arkansas, United States Fahad Hossain, University of Arkansas, United States Chris Farnell, University of Arkansas, United States H. Alan Mantooth, University of Arkansas, United States

A Strategy for Balancing Switching Losses of FB-PSZVS DC-DC Converters in Pulse and Sinusoidal Ripple Current Charging Applications ............................................................ 3245 Yong-Duk Lee, University of Connecticut, United States Shawn Maxwell, University of Connecticut, United States Sung-Yeul Park, University of Connecticut, United States

A Direct Voltage Unbalance Compensation Strategy for Islanded Microgrids ...................... 3252 Xin Zhao, Northwestern Polytechnical University, China Xiaohua Wu, Northwestern Polytechnical University, China Lexuan Meng, Aalborg University, Denmark Josep M. Guerrero, Aalborg University, Denmark Juan C. Vasquez, Aalborg University, Denmark

Session D21: Power Electronics Applications II Location: Ballroom AB March 19, 2015 11:30 - 14:00 Session Chairs: Dimitri Torregrossa, École Polytechnique Fédérale de Lausanne

Abhijit Pathak, International Rectifier

Improving the Cross Regulation of Multi-Output SRC by Adding the Magnetic Fence and Capacitance Compensation ....................................................................................................... 3260 Yanpeng Qiao, Xidian University, China Feng Zheng, Xidian University, China Yu Zhang, Xidian University, China Gengzhai Peng, Xidian University, China Yuchen Xie, Xidian University, China Depeng Bai, Academy of Space Information Technology, China

Resonant Inverter Design for Stand-Alone Dynamic Active Piezoelectric Energy Harvesting ...................................................................................................................... 3265 Aaron Stein, University of Michigan, United States Heath Hofmann, University of Michigan, United States

A High Voltage Split Source Voltage Multiplier with Increased Output Voltage ................... 3272 Liran Katzir, Tel Aviv University, Israel Doron Shmilovitz, Tel Aviv University, Israel

Biologically Inspired Coupling Pixilation for Position Independence in Capacitive Power Transfer Surfaces ............................................................................................................ 3276 Jiejian Dai, University of Wisconsin, Madison, United States Daniel C. Ludois, University of Wisconsin, Madison, United States

A 60 mV-3 V Input Range Boost Converter with Amplitude-Regulated and Intermittently Operating Oscillator for Energy Harvesting ...................................................... 3283 Hong Gao, Fujitsu Laboratories Ltd., Japan Hiroyuki Nakamoto, Fujitsu Laboratories Ltd., Japan Hiroshi Yamazaki, Fujitsu Laboratories Ltd., Japan Masafumi Kondou, Fujitsu Ltd., Japan

An Accurate Back to Front Design Methodology for PT based Load Resonant Converters .................................................................................................................. 3291 Yujia Yang, Fraunhofer IZM, Germany Matthias Radecker, Fraunhofer IZM, Germany Klaus-Dieter Lang, Fraunhofer IZM, Germany Wolf-Joachim Fischer, Technische Universität Dresden, Germany

Three Dimensional Integration of Electromagnetic Interference Filter .................................. 3296 Yu Zhang, Xidian University, China Feng Zheng, Xidian University, China Yuchen Xie, Xidian University, China Yanpeng Qiao, Xidian University, China Gengzhai Peng, Xidian University, China

Maximum Efficiency Control of Wireless Power Transfer via Magnetic Resonant Coupling Considering Dynamics of DC-DC Converter for Moving Electric Vehicles ........... 3301 Katsuhiro Hata, University of Tokyo, Japan Takehiro Imura, University of Tokyo, Japan Yoichi Hori, University of Tokyo, Japan

Wireless Electric Vehicle Charging via Capacitive Power Transfer through a Conformal Bumper ..................................................................................................................... 3307 Jiejian Dai, University of Wisconsin, Madison, United States Daniel C. Ludois, University of Wisconsin, Madison, United States

High Power Factor Dimmable Self-Oscillating Electronic Ballast with Variable Inductor Control .......................................................................................................................... 3314 M.F. Menke, Universidade Federal de Santa Maria, Brazil M.F. da Silva, Universidade Federal de Santa Maria, Brazil A.R. Seidel, Universidade Federal de Santa Maria, Brazil M.S. Perdigão, Instituto Superior de Engenharia de Coimbra, Portugal J.M. Alonso, Universidad de Oviedo, Spain

Fault Tolerable Li-Ion Battery Stack .......................................................................................... 3322 Guangyuan Liu, Zhejiang University, China Keyan Shi, Zhejiang University, China Wenping Zhang, Zhejiang University, China Dehong Xu, Zhejiang University, China

Alternating Current Welding using Four Quadrant Switches ................................................. 3330 A. Navarro-Crespin, Universidad de Cantabria, Spain Rosario Casanueva, Universidad de Cantabria, Spain Francisco J. Azcondo, Universidad de Cantabria, Spain

Energy Bus-based Equalization Scheme with Bi-directional Isolated Cuk Equalizer for Series Connected Battery Strings ............................................................................................. 3335 Rui Ling, Chongqing University, China Qiang Dan, Chongqing University, China Lizhi Wang, Chongqing University, China Dongxue Li, Vicor Corporation, United States

Design Considerations of LLC Resonant Converter for Contactless Laptop Charger ......... 3341 Cong Zheng, Virginia Polytechnic Institute and State University, United States Baifeng Chen, Virginia Polytechnic Institute and State University, United States Lanhua Zhang, Virginia Polytechnic Institute and State University, United States Rui Chen, Virginia Polytechnic Institute and State University, United States Jih-Sheng Lai, Virginia Polytechnic Institute and State University, United States

A Simple Approach to Current THD Prediction for Small-Scale Grid-Connected Inverters ........................................................................................................... 3348 Bo Cao, University of New Brunswick, Canada Liuchen Chang, University of New Brunswick, Canada Riming Shao, University of New Brunswick, Canada

An Energy Channelling LED Driver Technology to Achieve Flicker-Free Operation with True Single Stage Power Factor Correction ............................................................................. 3353 Peng Fang, Queen's University, Canada Zhi Yuan Hu, Queen's University, Canada Yan-Fei Liu, Queen's University, Canada

Improvement of Waveform for High Frequency AC-Linked Matrix Converter with SVM based on Virtual Indirect Control .............................................................................................. 3359 Kazuhiro Koiwa, Nagaoka University of Technology, Japan Jun-Ichi Itoh, Nagaoka University of Technology, Japan Masashi Shioda, San-Eisha, Ltd., Japan

Quad-Switch Push-Pull (QSPP) RF Amplifier with Direct, Simultaneous Modulation of Phase and Pulse-Position for Spread Spectrum Power Applications .................................... 3367 Al-Thaddeus Avestruz, Massachusetts Institute of Technology, United States Arthur H. Chang, Massachusetts Institute of Technology, United States Steven B. Leeb, Massachusetts Institute of Technology, United States